diff --git a/libs/gtkmm2ext/pixfader.cc b/libs/gtkmm2ext/pixfader.cc
index 8dde56a989..9851b6397d 100644
--- a/libs/gtkmm2ext/pixfader.cc
+++ b/libs/gtkmm2ext/pixfader.cc
@@ -184,7 +184,7 @@ bool
 PixFader::on_button_press_event (GdkEventButton* ev)
 {
 	if (ev->type != GDK_BUTTON_PRESS) {
-		return false;
+		return true;
 	}
 
 	if (ev->button != 1 && ev->button != 2) {