diff --git a/lib/cocoa/src/TApplicationException.h b/lib/cocoa/src/TApplicationException.h
index 1fee06e..90831f4 100644
--- a/lib/cocoa/src/TApplicationException.h
+++ b/lib/cocoa/src/TApplicationException.h
@@ -17,6 +17,8 @@
 
 + (TApplicationException *) read: (id <TProtocol>) protocol;
 
+- (void) write: (id <TProtocol>) protocol;
+
 + (TApplicationException *) exceptionWithType: (int) type
                                        reason: (NSString *) message;