diff --git a/src/osgPlugins/ffmpeg/FFmpegHeaders.hpp b/src/osgPlugins/ffmpeg/FFmpegHeaders.hpp
index 25fdfd695..357491ca7 100644
--- a/src/osgPlugins/ffmpeg/FFmpegHeaders.hpp
+++ b/src/osgPlugins/ffmpeg/FFmpegHeaders.hpp
@@ -6,9 +6,7 @@
 extern "C"
 {
 #define __STDC_CONSTANT_MACROS
-#ifdef WIN32
 #include <errno.h>    // for error codes defined in avformat.h
-#endif
 #include <stdint.h>
 #include <avcodec.h>
 #include <avformat.h>