diff --git a/dlib/external/zlib/gzguts.h b/dlib/external/zlib/gzguts.h
index bbb7d2273..87c6021ce 100644
--- a/dlib/external/zlib/gzguts.h
+++ b/dlib/external/zlib/gzguts.h
@@ -3,12 +3,12 @@
  * For conditions of distribution and use, see copyright notice in zlib.h
  */
 
-#ifdef _MSC_VER
-// Disable the following warnings for Visual Studio
-// This is a warning you get from visual studio 2005 about things in the standard C++
-// library being "deprecated."  I checked the C++ standard and it doesn't say jack 
-// about any of them (I checked the searchable PDF).   So this warning is total Bunk.
-#pragma warning(disable : 4996)
+#ifdef _MSC_VER
+// Disable the following warnings for Visual Studio
+// This is a warning you get from visual studio 2005 about things in the standard C++
+// library being "deprecated."  I checked the C++ standard and it doesn't say jack 
+// about any of them (I checked the searchable PDF).   So this warning is total Bunk.
+#pragma warning(disable : 4996)
 #endif
 
 #ifdef _LARGEFILE64_SOURCE