diff --git a/inst/htmlwidgets/google_map.js b/inst/htmlwidgets/google_map.js
index fda3bdf8..1729a906 100644
--- a/inst/htmlwidgets/google_map.js
+++ b/inst/htmlwidgets/google_map.js
@@ -83,7 +83,7 @@ HTMLWidgets.widget({
                         //global map object
                         window[el.id + 'map'] = map;
 
-                        if (google !== undefined) {
+                        if (google !== undefined && google.charts !== undefined ) {
                             //console.log("exists");
                             clearInterval(checkExists);