diff --git a/ChangeLog b/ChangeLog
index 4359a11da..c66dc13d7 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2013-12-26  Marcus Mueller <znek@mulle-kybernetik.com>
+
+	* Headers/Foundation/NSStream.h: fixed typo (_clang_ -> __clang__)
+
 2013-12-24  Richard Frith-Macdonald <rfm@gnu.org>
 
         * Version: make ready for 1.24.6 release
diff --git a/Headers/Foundation/NSStream.h b/Headers/Foundation/NSStream.h
index 30b4d8fd1..5af2fa27a 100644
--- a/Headers/Foundation/NSStream.h
+++ b/Headers/Foundation/NSStream.h
@@ -270,7 +270,7 @@ GS_EXPORT NSString * const NSStreamSOCKSProxyVersion4;
 GS_EXPORT NSString * const NSStreamSOCKSProxyVersion5;
 GS_EXPORT NSString * const NSStreamSOCKSProxyVersionKey;
 
-#if OS_API_VERSION(MAC_OS_X_VERSION_10_7,GS_API_LATEST) && defined(_clang_)
+#if OS_API_VERSION(MAC_OS_X_VERSION_10_7,GS_API_LATEST) && defined(__clang__)
 /* FIXME ... this is not clang specific */ 
 @protocol NSStreamDelegate <NSObject> 
 @optional