diff --git a/libavcodec/dsputil.h b/libavcodec/dsputil.h
index b27e5a62d6..7d12fe3c7b 100644
--- a/libavcodec/dsputil.h
+++ b/libavcodec/dsputil.h
@@ -404,10 +404,4 @@ void ff_dsputil_init_vis(DSPContext* c, AVCodecContext *avctx);
 
 void ff_dsputil_init_dwt(DSPContext *c);
 
-#if (ARCH_ARM && HAVE_NEON) || ARCH_PPC || HAVE_MMX
-#   define STRIDE_ALIGN 16
-#else
-#   define STRIDE_ALIGN 8
-#endif
-
 #endif /* AVCODEC_DSPUTIL_H */
diff --git a/libavcodec/rectangle.h b/libavcodec/rectangle.h
index 43f89c9e0f..2ce80e1608 100644
--- a/libavcodec/rectangle.h
+++ b/libavcodec/rectangle.h
@@ -47,7 +47,7 @@ static av_always_inline void fill_rectangle(void *vp, int w, int h, int stride,
     w      *= size;
     stride *= size;
 
-    av_assert2((((long)vp)&(FFMIN(w, STRIDE_ALIGN)-1)) == 0);
+    av_assert2((((long)vp)&(FFMIN(w, 8<<(HAVE_NEON|ARCH_PPC|HAVE_MMX))-1)) == 0);
     av_assert2((stride&(w-1))==0);
     if(w==2){
         const uint16_t v= size==4 ? val : val*0x0101;
diff --git a/libavcodec/utils.c b/libavcodec/utils.c
index 0844b249ee..569f2ff6e4 100644
--- a/libavcodec/utils.c
+++ b/libavcodec/utils.c
@@ -25,6 +25,7 @@
  * utils.
  */
 
+#include "config.h"
 #include "libavutil/avassert.h"
 #include "libavutil/avstring.h"
 #include "libavutil/bprint.h"
@@ -177,6 +178,12 @@ void avcodec_set_dimensions(AVCodecContext *s, int width, int height)
 
 #define INTERNAL_BUFFER_SIZE (32 + 1)
 
+#if (ARCH_ARM && HAVE_NEON) || ARCH_PPC || HAVE_MMX
+#   define STRIDE_ALIGN 16
+#else
+#   define STRIDE_ALIGN 8
+#endif
+
 void avcodec_align_dimensions2(AVCodecContext *s, int *width, int *height,
                                int linesize_align[AV_NUM_DATA_POINTERS])
 {