diff --git a/compiler/frontend.java/src/org/jetbrains/jet/lang/resolve/java/JvmClassName.java b/compiler/frontend.java/src/org/jetbrains/jet/lang/resolve/java/JvmClassName.java
index e5afc65b04a..703c9e498fe 100644
--- a/compiler/frontend.java/src/org/jetbrains/jet/lang/resolve/java/JvmClassName.java
+++ b/compiler/frontend.java/src/org/jetbrains/jet/lang/resolve/java/JvmClassName.java
@@ -108,4 +108,23 @@ public class JvmClassName {
     public String toString() {
         return getInternalName();
     }
+
+    @Override
+    public boolean equals(Object o) {
+        // generated by Idea
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+
+        JvmClassName name = (JvmClassName) o;
+
+        if (!internalName.equals(name.internalName)) return false;
+
+        return true;
+    }
+
+    @Override
+    public int hashCode() {
+        // generated by Idea
+        return internalName.hashCode();
+    }
 }