diff --git a/src/add-ons/media/plugins/ffmpeg/AVCodecDecoder.cpp b/src/add-ons/media/plugins/ffmpeg/AVCodecDecoder.cpp
index b0b6b91e5f..275bbcaa26 100644
--- a/src/add-ons/media/plugins/ffmpeg/AVCodecDecoder.cpp
+++ b/src/add-ons/media/plugins/ffmpeg/AVCodecDecoder.cpp
@@ -50,14 +50,6 @@
 	static int sDumpedPackets = 0;
 #endif
 
-#ifdef __x86_64
-#define USE_SWS_FOR_COLOR_SPACE_CONVERSION 1
-#else
-#define USE_SWS_FOR_COLOR_SPACE_CONVERSION 0
-// NOTE: David's color space conversion is much faster than the FFmpeg
-// version. Perhaps the SWS code can be used for unsupported conversions?
-// Otherwise the alternative code could simply be removed from this file.
-#endif
 
 #if LIBAVCODEC_VERSION_INT > ((54 << 16) | (50 << 8))
 typedef AVCodecID CodecID;
diff --git a/src/add-ons/media/plugins/ffmpeg/AVCodecDecoder.h b/src/add-ons/media/plugins/ffmpeg/AVCodecDecoder.h
index 1ccf494534..ee2b4eb901 100644
--- a/src/add-ons/media/plugins/ffmpeg/AVCodecDecoder.h
+++ b/src/add-ons/media/plugins/ffmpeg/AVCodecDecoder.h
@@ -20,6 +20,7 @@
 extern "C" {
 	#include "avcodec.h"
 	#include "swresample.h"
+	#include "swscale.h"
 }
 
 
@@ -30,6 +31,16 @@ extern "C" {
 #include "gfx_util.h"
 
 
+#ifdef __x86_64
+#define USE_SWS_FOR_COLOR_SPACE_CONVERSION 1
+#else
+#define USE_SWS_FOR_COLOR_SPACE_CONVERSION 0
+// NOTE: David's color space conversion is much faster than the FFmpeg
+// version. Perhaps the SWS code can be used for unsupported conversions?
+// Otherwise the alternative code could simply be removed from this file.
+#endif
+
+
 class AVCodecDecoder : public Decoder {
 public:
 						AVCodecDecoder();