diff --git a/include/sqlpp11/insert.h b/include/sqlpp11/insert.h
index 74974721..498e3dc1 100644
--- a/include/sqlpp11/insert.h
+++ b/include/sqlpp11/insert.h
@@ -99,7 +99,9 @@ namespace sqlpp
 						detail::serialize_empty_insert_list(os, db);
 					}
 					else
+					{
 						_insert_list.serialize(os, db);
+					}
 					return *this;
 				}
 
diff --git a/include/sqlpp11/insert_list.h b/include/sqlpp11/insert_list.h
index 7c18e808..78feb6e0 100644
--- a/include/sqlpp11/insert_list.h
+++ b/include/sqlpp11/insert_list.h
@@ -114,8 +114,10 @@ namespace sqlpp
 			template<typename Db>
 				void serialize(std::ostream& os, Db& db) const
 				{
-					if (sizeof...(Assignments) + _dynamic_columns.size())
+					if (sizeof...(Assignments) + _dynamic_columns.size() == 0)
+					{
 						detail::serialize_empty_insert_list(os, db);
+					}
 					else
 					{
 						os << " (";