diff --git a/compiler/frontend.java/src/org/jetbrains/jet/lang/resolve/java/JavaDescriptorResolver.java b/compiler/frontend.java/src/org/jetbrains/jet/lang/resolve/java/JavaDescriptorResolver.java
index ff85f2143ed..2988a05c518 100644
--- a/compiler/frontend.java/src/org/jetbrains/jet/lang/resolve/java/JavaDescriptorResolver.java
+++ b/compiler/frontend.java/src/org/jetbrains/jet/lang/resolve/java/JavaDescriptorResolver.java
@@ -580,8 +580,8 @@ public class JavaDescriptorResolver implements DependencyClassByQualifiedNameRes
     }
 
     public static class ValueParameterDescriptors {
-        final JetType receiverType;
-        final List<ValueParameterDescriptor> descriptors;
+        private final JetType receiverType;
+        private final List<ValueParameterDescriptor> descriptors;
 
         public ValueParameterDescriptors(@Nullable JetType receiverType, @NotNull List<ValueParameterDescriptor> descriptors) {
             this.receiverType = receiverType;