diff --git a/source/blender/src/interface.c b/source/blender/src/interface.c
index 93ed2617eed..a48eda860de 100644
--- a/source/blender/src/interface.c
+++ b/source/blender/src/interface.c
@@ -1583,7 +1583,7 @@ static int ui_do_but_TEX(uiBut *but)
 	ui_draw_but(but);
 	
 	if(dev!=ESCKEY) return but->retval;
-	else return 0;
+	else return B_NOP;	// prevent event to be passed on
 }