diff --git a/app/assets/javascripts/dialog_field_refresh.js b/app/assets/javascripts/dialog_field_refresh.js
index e92107c3f00..9f004f440ba 100644
--- a/app/assets/javascripts/dialog_field_refresh.js
+++ b/app/assets/javascripts/dialog_field_refresh.js
@@ -15,7 +15,7 @@ var dialogFieldRefresh = {
       $('#' + fieldName).selectpicker('val', selectedValue);
     }
     miqSelectPickerEvent(fieldName, url, {callback: function() {
-      dialogFieldRefresh.triggerAutoRefresh(fieldId, triggerAutoRefresh || "true");
+      dialogFieldRefresh.triggerAutoRefresh(fieldId, triggerAutoRefresh);
       return true;
     }});
   },
@@ -168,7 +168,7 @@ var dialogFieldRefresh = {
 
 
   triggerAutoRefresh: function(fieldId, trigger) {
-    if (trigger === "true") {
+    if (Boolean(trigger) === true) {
       parent.postMessage({fieldId: fieldId}, '*');
     }
   },
diff --git a/spec/javascripts/dialog_field_refresh_spec.js b/spec/javascripts/dialog_field_refresh_spec.js
index 1b9b3e2abc9..97a2c7003d1 100644
--- a/spec/javascripts/dialog_field_refresh_spec.js
+++ b/spec/javascripts/dialog_field_refresh_spec.js
@@ -423,14 +423,36 @@ describe('dialogFieldRefresh', function() {
       expect(window.miqSelectPickerEvent).toHaveBeenCalledWith('fieldName', 'url', {callback: jasmine.any(Function)});
     });
 
-    it('triggers the auto refresh when the drop down changes', function() {
-      dialogFieldRefresh.initializeDialogSelectPicker(fieldName, fieldId, selectedValue, url);
+    it('triggers autorefresh with true only when triggerAutoRefresh arg is true', function() {
+      dialogFieldRefresh.initializeDialogSelectPicker(fieldName, fieldId, selectedValue, url, 'true');
       expect(dialogFieldRefresh.triggerAutoRefresh).toHaveBeenCalledWith(fieldId, 'true');
     });
+  });
+
+  describe('#triggerAutoRefresh', function() {
+    beforeEach(function() {
+      spyOn(parent, 'postMessage');
+    });
+
+    context('when the trigger passed in falsy', function() {
+      it('does not post any messages', function() {
+        dialogFieldRefresh.triggerAutoRefresh(123, "");
+        expect(parent.postMessage).not.toHaveBeenCalled();
+      });
+    });
+
+    context('when the trigger passed in is the string "true"', function() {
+      it('posts a message', function() {
+        dialogFieldRefresh.triggerAutoRefresh(123, "true");
+        expect(parent.postMessage).toHaveBeenCalledWith({fieldId: 123}, '*');
+      });
+    });
 
-    it('triggers autorefresh with "false" when triggerAutoRefresh arg is false', function() {
-      dialogFieldRefresh.initializeDialogSelectPicker(fieldName, fieldId, selectedValue, url, 'false');
-      expect(dialogFieldRefresh.triggerAutoRefresh).toHaveBeenCalledWith(fieldId, 'false');
+    context('when the trigger passed in is true', function() {
+      it('posts a message', function() {
+        dialogFieldRefresh.triggerAutoRefresh(123, true);
+        expect(parent.postMessage).toHaveBeenCalledWith({fieldId: 123}, '*');
+      });
     });
   });
-});
\ No newline at end of file
+});