diff --git a/Source/NSDistantObject.m b/Source/NSDistantObject.m
index a9bba6d20..22c8a65d3 100644
--- a/Source/NSDistantObject.m
+++ b/Source/NSDistantObject.m
@@ -832,7 +832,6 @@ enum
       else
 	{
 	  id		m;
-	  const char	*types;
 #ifdef USE_FFCALL
 	  id		inv;
 	  id		sig;
@@ -854,8 +853,13 @@ enum
 	  retframe = [self forward: _cmd : args];
 	  m = retframe_id(retframe);
 #endif
-	  types = [m methodType];
-	  return [NSMethodSignature signatureWithObjCTypes: types];
+	  if ([m isProxy] == YES)
+	    {
+	      const char	*types = [m methodType];
+
+	      m = [NSMethodSignature signatureWithObjCTypes: types];
+	    }
+	  return m;
 	}
     }
 }
diff --git a/Source/NSDistributedNotificationCenter.m b/Source/NSDistributedNotificationCenter.m
index 0cc770d2d..83500669a 100644
--- a/Source/NSDistributedNotificationCenter.m
+++ b/Source/NSDistributedNotificationCenter.m
@@ -575,9 +575,11 @@ static NSDistributedNotificationCenter	*netCenter = nil;
       if (_remote != nil)
 	{
 	  NSConnection	*c = [_remote connectionForProxy];
+#if 0	// When all compilers support this
 	  Protocol	*p = @protocol(GDNCProtocol);
 
 	  [_remote setProtocolForProxy: p];
+#endif
 	  
 	  /*
            * Ensure that this center can be used safely from different
diff --git a/Tools/gdnc.m b/Tools/gdnc.m
index 4f5f71b32..1e227a1eb 100644
--- a/Tools/gdnc.m
+++ b/Tools/gdnc.m
@@ -864,6 +864,7 @@ main(int argc, char** argv, char** env)
 #ifdef GS_PASS_ARGUMENTS
   [NSProcessInfo initializeWithArguments:argv count:argc environment:env];
 #endif
+  [NSObject enableDoubleReleaseCheck: YES];
   if (argc > 1 && strcmp(argv[argc-1], "-f") == 0)
     {
       shouldFork = NO;