diff --git a/include/sqlgen/parsing/Parser_default.hpp b/include/sqlgen/parsing/Parser_default.hpp
index fccb678..ec29ddf 100644
--- a/include/sqlgen/parsing/Parser_default.hpp
+++ b/include/sqlgen/parsing/Parser_default.hpp
@@ -32,16 +32,28 @@ struct Parser {
       try {
         if constexpr (std::is_floating_point_v<Type>) {
           return static_cast<Type>(std::stod(*_str));
+
+        } else if constexpr (std::is_same_v<Type, bool>) {
+          if (*_str == "t" || *_str == "T" || *_str == "true" ||
+              *_str == "TRUE") {
+            return true;
+          }
+          if (*_str == "f" || *_str == "F" || *_str == "false" ||
+              *_str == "FALSE") {
+            return false;
+          }
+          return std::stoi(*_str) != 0;
+
         } else if constexpr (std::is_integral_v<Type>) {
           return static_cast<Type>(std::stoll(*_str));
-        } else if constexpr (std::is_same_v<Type, bool>) {
-          return std::stoi(*_str) != 0;
+
         } else if constexpr (std::is_enum_v<Type>) {
           if (auto res = rfl::string_to_enum<Type>(*_str)) {
             return Type{*res};
           } else {
             return error(res.error());
           }
+
         } else {
           static_assert(rfl::always_false_v<Type>, "Unsupported type");
         }
diff --git a/tests/mysql/test_boolean.cpp b/tests/mysql/test_boolean.cpp
new file mode 100644
index 0000000..fbf643c
--- /dev/null
+++ b/tests/mysql/test_boolean.cpp
@@ -0,0 +1,61 @@
+#ifndef SQLGEN_BUILD_DRY_TESTS_ONLY
+
+#include <gtest/gtest.h>
+
+#include <rfl.hpp>
+#include <rfl/json.hpp>
+#include <sqlgen.hpp>
+#include <sqlgen/mysql.hpp>
+#include <vector>
+
+namespace test_boolean {
+
+struct Person {
+  sqlgen::PrimaryKey<uint32_t> id;
+  std::string first_name;
+  std::string last_name;
+  bool has_children;
+};
+
+TEST(mysql, test_boolean) {
+  const auto people1 = std::vector<Person>({Person{.id = 0,
+                                                   .first_name = "Homer",
+                                                   .last_name = "Simpson",
+                                                   .has_children = true},
+                                            Person{.id = 1,
+                                                   .first_name = "Bart",
+                                                   .last_name = "Simpson",
+                                                   .has_children = false},
+                                            Person{.id = 2,
+                                                   .first_name = "Lisa",
+                                                   .last_name = "Simpson",
+                                                   .has_children = false},
+                                            Person{.id = 3,
+                                                   .first_name = "Maggie",
+                                                   .last_name = "Simpson",
+                                                   .has_children = false}});
+
+  const auto credentials = sqlgen::mysql::Credentials{.host = "localhost",
+                                                      .user = "sqlgen",
+                                                      .password = "password",
+                                                      .dbname = "mysql"};
+
+  using namespace sqlgen;
+  using namespace sqlgen::literals;
+
+  const auto conn =
+      mysql::connect(credentials).and_then(drop<Person> | if_exists);
+
+  const auto people2 = sqlgen::write(conn, people1)
+                           .and_then(sqlgen::read<std::vector<Person>>)
+                           .value();
+
+  const auto json1 = rfl::json::write(people1);
+  const auto json2 = rfl::json::write(people2);
+
+  EXPECT_EQ(json1, json2);
+}
+
+}  // namespace test_boolean
+
+#endif
diff --git a/tests/postgres/test_boolean.cpp b/tests/postgres/test_boolean.cpp
new file mode 100644
index 0000000..59a79d2
--- /dev/null
+++ b/tests/postgres/test_boolean.cpp
@@ -0,0 +1,61 @@
+#ifndef SQLGEN_BUILD_DRY_TESTS_ONLY
+
+#include <gtest/gtest.h>
+
+#include <rfl.hpp>
+#include <rfl/json.hpp>
+#include <sqlgen.hpp>
+#include <sqlgen/postgres.hpp>
+#include <vector>
+
+namespace test_boolean {
+
+struct Person {
+  sqlgen::PrimaryKey<uint32_t> id;
+  std::string first_name;
+  std::string last_name;
+  bool has_children;
+};
+
+TEST(postgres, test_boolean) {
+  const auto people1 = std::vector<Person>({Person{.id = 0,
+                                                   .first_name = "Homer",
+                                                   .last_name = "Simpson",
+                                                   .has_children = true},
+                                            Person{.id = 1,
+                                                   .first_name = "Bart",
+                                                   .last_name = "Simpson",
+                                                   .has_children = false},
+                                            Person{.id = 2,
+                                                   .first_name = "Lisa",
+                                                   .last_name = "Simpson",
+                                                   .has_children = false},
+                                            Person{.id = 3,
+                                                   .first_name = "Maggie",
+                                                   .last_name = "Simpson",
+                                                   .has_children = false}});
+
+  const auto credentials = sqlgen::postgres::Credentials{.user = "postgres",
+                                                         .password = "password",
+                                                         .host = "localhost",
+                                                         .dbname = "postgres"};
+
+  using namespace sqlgen;
+  using namespace sqlgen::literals;
+
+  const auto conn =
+      postgres::connect(credentials).and_then(drop<Person> | if_exists);
+
+  const auto people2 = sqlgen::write(conn, people1)
+                           .and_then(sqlgen::read<std::vector<Person>>)
+                           .value();
+
+  const auto json1 = rfl::json::write(people1);
+  const auto json2 = rfl::json::write(people2);
+
+  EXPECT_EQ(json1, json2);
+}
+
+}  // namespace test_boolean
+
+#endif
diff --git a/tests/postgres/test_read_to_sql.cpp b/tests/postgres/test_read_to_sql.cpp
index 7cedfbf..1c3f245 100644
--- a/tests/postgres/test_read_to_sql.cpp
+++ b/tests/postgres/test_read_to_sql.cpp
@@ -23,8 +23,12 @@ TEST(postgres, test_write_and_read_dry) {
   const auto query2 =
       postgres::to_sql(sqlgen::read<Person> | where("id"_c == 1));
 
-  std::cout << query1 << std::endl;
-  std::cout << query2 << std::endl;
+  EXPECT_EQ(
+      query1,
+      R"(SELECT "id", "first_name", "last_name", "age" FROM "Person" WHERE "id" = 1)");
+  EXPECT_EQ(
+      query2,
+      R"(SELECT "id", "first_name", "last_name", "age" FROM "Person" WHERE "id" = 1)");
 }
 
 }  // namespace test_write_and_read_dry
diff --git a/tests/sqlite/test_boolean.cpp b/tests/sqlite/test_boolean.cpp
new file mode 100644
index 0000000..b358992
--- /dev/null
+++ b/tests/sqlite/test_boolean.cpp
@@ -0,0 +1,52 @@
+#include <gtest/gtest.h>
+
+#include <rfl.hpp>
+#include <rfl/json.hpp>
+#include <sqlgen.hpp>
+#include <sqlgen/sqlite.hpp>
+#include <vector>
+
+namespace test_boolean {
+
+struct Person {
+  sqlgen::PrimaryKey<uint32_t> id;
+  std::string first_name;
+  std::string last_name;
+  bool has_children;
+};
+
+TEST(sqlite, test_boolean) {
+  const auto people1 = std::vector<Person>({Person{.id = 0,
+                                                   .first_name = "Homer",
+                                                   .last_name = "Simpson",
+                                                   .has_children = true},
+                                            Person{.id = 1,
+                                                   .first_name = "Bart",
+                                                   .last_name = "Simpson",
+                                                   .has_children = false},
+                                            Person{.id = 2,
+                                                   .first_name = "Lisa",
+                                                   .last_name = "Simpson",
+                                                   .has_children = false},
+                                            Person{.id = 3,
+                                                   .first_name = "Maggie",
+                                                   .last_name = "Simpson",
+                                                   .has_children = false}});
+
+  using namespace sqlgen;
+  using namespace sqlgen::literals;
+
+  const auto conn = sqlite::connect();
+
+  const auto people2 = sqlgen::write(conn, people1)
+                           .and_then(sqlgen::read<std::vector<Person>>)
+                           .value();
+
+  const auto json1 = rfl::json::write(people1);
+  const auto json2 = rfl::json::write(people2);
+
+  EXPECT_EQ(json1, json2);
+}
+
+}  // namespace test_boolean
+