diff --git a/src/picture-sse2.c b/src/inline-optimizations/picture-sse2.c
similarity index 99%
rename from src/picture-sse2.c
rename to src/inline-optimizations/picture-sse2.c
index f15c259c..8de61f92 100644
--- a/src/picture-sse2.c
+++ b/src/inline-optimizations/picture-sse2.c
@@ -21,7 +21,7 @@
  * \file
  */
 
-#include "picture.h"
+#include "../picture.h"
 #include <immintrin.h>
 
 #ifdef __SSE2__
diff --git a/src/picture.c b/src/picture.c
index 8b00cb61..8603a9db 100644
--- a/src/picture.c
+++ b/src/picture.c
@@ -770,7 +770,7 @@ static unsigned hor_sad(const pixel *pic_data, const pixel *ref_data,
 
 
 #if defined(__SSE2__)
-#include "picture-sse2.c"
+#include "inline-optimizations/picture-sse2.c"
 #elif defined(__ALTIVEC__)
 #include "picture-altivec.c"
 #else