diff --git a/libavcodec/common.h b/libavcodec/common.h
index 02a7c10492..3f38901b00 100644
--- a/libavcodec/common.h
+++ b/libavcodec/common.h
@@ -111,11 +111,10 @@ typedef signed long long INT64;
 
 #endif /* !CONFIG_WIN32 */
 
+#include "bswap.h"
 
 #ifdef HAVE_AV_CONFIG_H
 
-#include "bswap.h"
-
 #if defined(__MINGW32__) || defined(__CYGWIN__) || \
     defined(__OS2__) || defined (__OpenBSD__)
 #define MANGLE(a) "_" #a