diff --git a/java/java-psi-impl/src/com/intellij/codeInsight/javadoc/JavaDocInfoGenerator.java b/java/java-psi-impl/src/com/intellij/codeInsight/javadoc/JavaDocInfoGenerator.java
index 6f877e968ec6..5a1e1376ba93 100644
--- a/java/java-psi-impl/src/com/intellij/codeInsight/javadoc/JavaDocInfoGenerator.java
+++ b/java/java-psi-impl/src/com/intellij/codeInsight/javadoc/JavaDocInfoGenerator.java
@@ -1488,6 +1488,7 @@ public class JavaDocInfoGenerator {
         if (!isAbstract) continue;
       }
       PsiClass superClass = superMethod.getContainingClass();
+      if (superClass == null) continue;
       if (!headerGenerated) {
         buffer.append("<DD><DL>");
         buffer.append("<DT><b>");