diff --git a/bundles/org.eclipse.rap.addons.chart/js/chart/chart.js b/bundles/org.eclipse.rap.addons.chart/js/chart/chart.js
index bc98c85..e991a9e 100644
--- a/bundles/org.eclipse.rap.addons.chart/js/chart/chart.js
+++ b/bundles/org.eclipse.rap.addons.chart/js/chart/chart.js
@@ -47,7 +47,7 @@
       }
       obj = obj[part];
     });
-    if( typeof obj === "function" ) {
+    if( typeof obj === "function" && obj !== this._renderer ) {
       obj( value );
       this._scheduleUpdate();
     }
diff --git a/tests/org.eclipse.rap.addons.chart.test/js/chart/chart-spec.js b/tests/org.eclipse.rap.addons.chart.test/js/chart/chart-spec.js
index ef1bee0..6b7c492 100644
--- a/tests/org.eclipse.rap.addons.chart.test/js/chart/chart-spec.js
+++ b/tests/org.eclipse.rap.addons.chart.test/js/chart/chart-spec.js
@@ -104,6 +104,12 @@
       expect( renderer.foo.bar ).toHaveBeenCalledWith( 23 );
     } );
 
+    it( "doesn't call renderer when method is missing", function() {
+      chart.setOption( "foo", 23 );
+
+      expect( renderer ).not.toHaveBeenCalledWith( 23 );
+    } );
+
   } );
 
 } );