diff --git a/compiler/frontend/serialization/src/org/jetbrains/jet/descriptors/serialization/DescriptorDeserializer.java b/compiler/frontend/serialization/src/org/jetbrains/jet/descriptors/serialization/DescriptorDeserializer.java
index 0c44dea943c..d67b1ddadc1 100644
--- a/compiler/frontend/serialization/src/org/jetbrains/jet/descriptors/serialization/DescriptorDeserializer.java
+++ b/compiler/frontend/serialization/src/org/jetbrains/jet/descriptors/serialization/DescriptorDeserializer.java
@@ -166,6 +166,7 @@ public class DescriptorDeserializer {
                 visibility(Flags.VISIBILITY.get(proto.getFlags())),
                 !classDescriptor.isInner()
         );
+        descriptor.setReturnType(local.typeDeserializer.type(proto.getReturnType()));
         return descriptor;
     }