diff --git a/src/_macosx.m b/src/_macosx.m
index 9e097ff0dc31..668b73200b20 100755
--- a/src/_macosx.m
+++ b/src/_macosx.m
@@ -1352,7 +1352,8 @@ - (void)updateDevicePixelRatio:(double)scale
     }
     if (PyObject_IsTrue(change)) {
         // Notify that there was a resize_event that took place
-        gil_call_method(canvas, "resize_event");
+        PROCESS_EVENT("ResizeEvent", "sO", "resize_event", canvas);
+        gil_call_method(canvas, "draw_idle");
         [self setNeedsDisplay: YES];
     }