diff --git a/python/plugins/db_manager/dlg_sql_window.py b/python/plugins/db_manager/dlg_sql_window.py
index 47c0fe0fa95..4c3aebc53b0 100644
--- a/python/plugins/db_manager/dlg_sql_window.py
+++ b/python/plugins/db_manager/dlg_sql_window.py
@@ -305,4 +305,3 @@ class DlgSqlWindow(QDialog, Ui_Dialog):
 
     api.prepare()
     self.editSql.lexer().setAPIs(api)
-    self.editSql.setAutoCompletionCaseSensitivity(False)
diff --git a/src/gui/qgscodeeditorsql.cpp b/src/gui/qgscodeeditorsql.cpp
index d58e4d6dafe..ce7126d8355 100644
--- a/src/gui/qgscodeeditorsql.cpp
+++ b/src/gui/qgscodeeditorsql.cpp
@@ -31,6 +31,7 @@ QgsCodeEditorSQL::QgsCodeEditorSQL( QWidget *parent )
   }
   setMarginVisible( false );
   setFoldingVisible( true );
+  setAutoCompletionCaseSensitivity( false );
   setSciLexerSQL();
 }