diff --git a/src/SqlUiLexer.cpp b/src/SqlUiLexer.cpp
index 1908bec8..cd59e7e4 100644
--- a/src/SqlUiLexer.cpp
+++ b/src/SqlUiLexer.cpp
@@ -174,3 +174,8 @@ QStringList SqlUiLexer::autoCompletionWordSeparators() const
     wl << ".";
     return wl;
 }
+
+bool SqlUiLexer::caseSensitive() const
+{
+    return false;
+}
diff --git a/src/SqlUiLexer.h b/src/SqlUiLexer.h
index e87dbf72..2f21277c 100644
--- a/src/SqlUiLexer.h
+++ b/src/SqlUiLexer.h
@@ -29,6 +29,8 @@ public:
 
     virtual QStringList autoCompletionWordSeparators() const;
 
+    bool caseSensitive() const;
+
 private:
     QsciAPIs* autocompleteApi;