diff --git a/idea/tests/org/jetbrains/kotlin/idea/parameterInfo/MockUpdateParameterInfoContext.java b/idea/tests/org/jetbrains/kotlin/idea/parameterInfo/MockUpdateParameterInfoContext.java
index 8b86162bbd0..fdee5439b1c 100644
--- a/idea/tests/org/jetbrains/kotlin/idea/parameterInfo/MockUpdateParameterInfoContext.java
+++ b/idea/tests/org/jetbrains/kotlin/idea/parameterInfo/MockUpdateParameterInfoContext.java
@@ -53,6 +53,11 @@ public class MockUpdateParameterInfoContext implements UpdateParameterInfoContex
     public void setHighlightedParameter(Object parameter) {
     }
 
+    @Override
+    public Object getHighlightedParameter() {
+        return null;
+    }
+
     @Override
     public void setCurrentParameter(int index) {
         myCurrentParameter = index;