diff --git a/modules/geo/extent.js b/modules/geo/extent.js
index 8efa3dc26..c8d65d4d5 100644
--- a/modules/geo/extent.js
+++ b/modules/geo/extent.js
@@ -107,9 +107,9 @@ Object.assign(geoExtent.prototype, {
         var a1 = this.intersection(obj).area();
         var a2 = this.area();
 
-        if (a1 === Infinity || a2 === Infinity || a2 === 0) {
+        if (a1 === Infinity || a2 === Infinity) {
             return 0;
-        } else if (a1 === 0) {
+        } else if (a1 === 0 || a2 === 0) {
             if (obj.contains(this)) {
                 return 1;
             }