diff --git a/idea/tests/org/jetbrains/kotlin/idea/parameterInfo/MockParameterInfoUIContext.java b/idea/tests/org/jetbrains/kotlin/idea/parameterInfo/MockParameterInfoUIContext.java
index ea8503d6535..6a131145ea9 100644
--- a/idea/tests/org/jetbrains/kotlin/idea/parameterInfo/MockParameterInfoUIContext.java
+++ b/idea/tests/org/jetbrains/kotlin/idea/parameterInfo/MockParameterInfoUIContext.java
@@ -68,6 +68,11 @@ public class MockParameterInfoUIContext implements ParameterInfoUIContext {
         return myParameterOwner;
     }
 
+    @Override
+    public boolean isSingleOverload() {
+        return false;
+    }
+
     @Override
     public boolean isSingleParameterInfo() {
         return false;