diff --git a/editor/svgcanvas.js b/editor/svgcanvas.js
index 754745fc..5c8d6cb8 100644
--- a/editor/svgcanvas.js
+++ b/editor/svgcanvas.js
@@ -1305,7 +1305,7 @@ var getMouseTarget = this.getMouseTarget = function(evt) {
 								var _stroke = ele.getAttributeNS(null, 'stroke');
 								ele.removeAttributeNS(null, 'stroke');
 								//Re-apply stroke after delay. Anything higher than 1 seems to cause flicker
-								setTimeout(function() { ele.setAttributeNS(null, 'stroke', _stroke); }, 0);
+								if(_stroke !== null) setTimeout(function() { ele.setAttributeNS(null, 'stroke', _stroke); }, 0);
 							};
 						}
 						mouse_target.style.vectorEffect = 'non-scaling-stroke';