diff --git a/libavcodec/h264_cabac.c b/libavcodec/h264_cabac.c
index ae1ef6b08c..b28e486e52 100644
--- a/libavcodec/h264_cabac.c
+++ b/libavcodec/h264_cabac.c
@@ -41,7 +41,7 @@
 #include "mpegutils.h"
 
 #if ARCH_X86
-#include "x86/h264_i386.h"
+#include "x86/h264_cabac.c"
 #endif
 
 #include <assert.h>
diff --git a/libavcodec/x86/h264_i386.h b/libavcodec/x86/h264_cabac.c
similarity index 98%
rename from libavcodec/x86/h264_i386.h
rename to libavcodec/x86/h264_cabac.c
index ad57aa91ab..475c450118 100644
--- a/libavcodec/x86/h264_i386.h
+++ b/libavcodec/x86/h264_cabac.c
@@ -22,13 +22,10 @@
 /**
  * @file
  * H.264 / AVC / MPEG-4 part10 codec.
- * non-MMX i386-specific optimizations for H.264
+ * non-SIMD x86-specific optimizations for H.264
  * @author Michael Niedermayer <michaelni@gmx.at>
  */
 
-#ifndef AVCODEC_X86_H264_I386_H
-#define AVCODEC_X86_H264_I386_H
-
 #include <stddef.h>
 
 #include "libavcodec/cabac.h"
@@ -201,4 +198,3 @@ static int decode_significance_8x8_x86(CABACContext *c,
 #endif /* HAVE_7REGS && !defined(BROKEN_RELOCATIONS) */
 
 #endif /* HAVE_INLINE_ASM */
-#endif /* AVCODEC_X86_H264_I386_H */