diff --git a/java/java-analysis-impl/src/com/intellij/codeInspection/AnonymousCanBeLambdaInspection.java b/java/java-analysis-impl/src/com/intellij/codeInspection/AnonymousCanBeLambdaInspection.java
index aa7868f43b4c..221fd6259f14 100644
--- a/java/java-analysis-impl/src/com/intellij/codeInspection/AnonymousCanBeLambdaInspection.java
+++ b/java/java-analysis-impl/src/com/intellij/codeInspection/AnonymousCanBeLambdaInspection.java
@@ -575,7 +575,7 @@ public class AnonymousCanBeLambdaInspection extends BaseJavaBatchLocalInspection
               }
               final PsiSubstitutor inferredSubstitutor = TypeConversionUtil.getClassSubstitutor(superClass, classCandidate, classResolveResult.getSubstitutor());
               final PsiSubstitutor substitutor = TypeConversionUtil.getSuperClassSubstitutor(superClass, myAnonymClass.getBaseClassType());
-              if (inferredSubstitutor == null ||
+              if (inferredSubstitutor != null &&
                   !Comparing.equal(inferredSubstitutor.substitute(paramType), substitutor.substitute(paramType))) {
                 myBodyContainsForbiddenRefs = true;
                 return;