diff --git a/src/CondFormat.cpp b/src/CondFormat.cpp
index b9fd0398..aa1924d7 100644
--- a/src/CondFormat.cpp
+++ b/src/CondFormat.cpp
@@ -99,11 +99,11 @@ std::string CondFormat::filterToSqlCondition(const QString& value, const QString
                 op = value.left(2);
                 val = value.mid(2);
             }
-        } else if(value.front() == ">" || value.front() == "<") {
+        } else if(value.at(0) == ">" || value.at(0) == "<") {
             value.midRef(1).toFloat(&numeric);
-            op = value.front();
+            op = value.at(0);
             val = value.mid(1);
-        } else if(value.front() == "=") {
+        } else if(value.at(0) == "=") {
             val = value.mid(1);
 
             // Check if value to compare with is 'NULL'
@@ -117,7 +117,7 @@ std::string CondFormat::filterToSqlCondition(const QString& value, const QString
                 op = "IS";
                 numeric = true;
             }
-        } else if(value.front() == "/" && value.back() == "/" && value.size() > 2) {
+        } else if(value.at(0) == "/" && value.back() == "/" && value.size() > 2) {
             val = value.mid(1, value.length() - 2);
             op = "REGEXP";
             numeric = false;
diff --git a/src/PreferencesDialog.cpp b/src/PreferencesDialog.cpp
index da5a0963..9f1bea15 100644
--- a/src/PreferencesDialog.cpp
+++ b/src/PreferencesDialog.cpp
@@ -339,7 +339,7 @@ void PreferencesDialog::saveSettings()
 
 void PreferencesDialog::showColourDialog(QTreeWidgetItem* item, int column)
 {
-    if(item->text(column).front() != "#")
+    if(item->text(column).at(0) != "#")
         return;
 
     QColor colour = QColorDialog::getColor(QColor(item->text(column)), this);