diff --git a/jps/jps-plugin/src/org/jetbrains/kotlin/jps/incremental/ProtoCompareGenerated.kt b/jps/jps-plugin/src/org/jetbrains/kotlin/jps/incremental/ProtoCompareGenerated.kt
index 74e6cbc514e..a4f9787fddf 100644
--- a/jps/jps-plugin/src/org/jetbrains/kotlin/jps/incremental/ProtoCompareGenerated.kt
+++ b/jps/jps-plugin/src/org/jetbrains/kotlin/jps/incremental/ProtoCompareGenerated.kt
@@ -355,6 +355,16 @@ open class ProtoCompareGenerated(public val oldNameResolver: NameResolver, publi
             if (!checkStringEquals(old.typeParameterName, new.typeParameterName)) return false
         }
 
+        if (old.hasOuterType() != new.hasOuterType()) return false
+        if (old.hasOuterType()) {
+            if (!checkEquals(old.outerType, new.outerType)) return false
+        }
+
+        if (old.hasOuterTypeId() != new.hasOuterTypeId()) return false
+        if (old.hasOuterTypeId()) {
+            if (old.outerTypeId != new.outerTypeId) return false
+        }
+
         if (old.getExtensionCount(JvmProtoBuf.typeAnnotation) != new.getExtensionCount(JvmProtoBuf.typeAnnotation)) return false
 
         for(i in 0..old.getExtensionCount(JvmProtoBuf.typeAnnotation) - 1) {
@@ -1043,6 +1053,14 @@ public fun ProtoBuf.Type.hashCode(stringIndexes: (Int) -> Int, fqNameIndexes: (I
         hashCode = 31 * hashCode + stringIndexes(typeParameterName)
     }
 
+    if (hasOuterType()) {
+        hashCode = 31 * hashCode + outerType.hashCode(stringIndexes, fqNameIndexes)
+    }
+
+    if (hasOuterTypeId()) {
+        hashCode = 31 * hashCode + outerTypeId
+    }
+
     for(i in 0..getExtensionCount(JvmProtoBuf.typeAnnotation) - 1) {
         hashCode = 31 * hashCode + getExtension(JvmProtoBuf.typeAnnotation, i).hashCode(stringIndexes, fqNameIndexes)
     }