diff --git a/lcl/interfaces/gtk/gtkcallback.inc b/lcl/interfaces/gtk/gtkcallback.inc
index 4604bd2eb2..576c67affa 100644
--- a/lcl/interfaces/gtk/gtkcallback.inc
+++ b/lcl/interfaces/gtk/gtkcallback.inc
@@ -509,7 +509,7 @@ begin
     begin
       {mark as invalid event for gtkchanged_editbox, so
        it doesn't update cursor pos or we have a mess.}
-      if (gtk_major_version = 2) and (gtk_minor_version < 15) then
+      if (gtk_major_version = 2) and (gtk_minor_version < 17) then
       begin
         Info := GetWidgetInfo(Widget, False);
         include(Info^.Flags, wwiInvalidEvent);
@@ -2231,7 +2231,7 @@ begin
   EventTrace('Cut to clip', data);
   if (Widget=nil) then ;
   {$IFDEF GTK2}
-  if (gtk_major_version = 2) and (gtk_minor_version < 15) then
+  if (gtk_major_version = 2) and (gtk_minor_version < 17) then
   begin
     if (Widget <> nil) and (GTK_IS_ENTRY(Widget)) then
     begin
@@ -2264,7 +2264,7 @@ begin
   EventTrace('Paste from clip', data);
   if (Widget=nil) then ;
   {$IFDEF GTK2}
-  if (gtk_major_version = 2) and (gtk_minor_version < 15) then
+  if (gtk_major_version = 2) and (gtk_minor_version < 17) then
   begin
     if (Widget <> nil) and (GTK_IS_ENTRY(Widget)) then
     begin
diff --git a/lcl/interfaces/gtk/gtkwidgetset.inc b/lcl/interfaces/gtk/gtkwidgetset.inc
index 2d209ed28d..46dc9a2dfd 100644
--- a/lcl/interfaces/gtk/gtkwidgetset.inc
+++ b/lcl/interfaces/gtk/gtkwidgetset.inc
@@ -3387,7 +3387,7 @@ begin
          if GTK_IS_ENTRY(gObject) then
          begin
            ConnectSenderSignal(gObject,'backspace', @gtkchanged_editbox_backspace);
-           if (gtk_major_version = 2) and (gtk_minor_version < 15) then
+           if (gtk_major_version = 2) and (gtk_minor_version < 17) then
              ConnectSenderSignal(gObject,'delete-from-cursor', @gtkchanged_editbox_delete);
          end;
          {$ENDIF}