diff --git a/contribs/gmf/src/editing/Snapping.js b/contribs/gmf/src/editing/Snapping.js
index ca1f5edc055..b400df17ddd 100644
--- a/contribs/gmf/src/editing/Snapping.js
+++ b/contribs/gmf/src/editing/Snapping.js
@@ -614,7 +614,7 @@ EditingSnappingService.prototype.handleMapMoveEnd_ = function() {
  */
 EditingSnappingService.prototype.refreshSnappingSource_ = function() {
   if (this.ngeoSnappingSource_ === undefined) {
-    throw new Error('Missing SnappingSource');
+    return;
   }
   this.ngeoSnappingSource_.clear();
   for (const uid in this.cache_) {