diff --git a/libmpcodecs/vf_gradfun.c b/libmpcodecs/vf_gradfun.c
index 57c61d41eb..5b435744f1 100644
--- a/libmpcodecs/vf_gradfun.c
+++ b/libmpcodecs/vf_gradfun.c
@@ -91,7 +91,7 @@ static void blur_line_c(uint16_t *dc, uint16_t *buf, uint16_t *buf1,
     }
 }
 
-#if HAVE_SSSE3
+#if HAVE_MMX2
 static void filter_line_mmx2(uint8_t *dst, uint8_t *src, uint16_t *dc,
                              int width, int thresh, const uint16_t *dithers)
 {
@@ -138,7 +138,9 @@ static void filter_line_mmx2(uint8_t *dst, uint8_t *src, uint16_t *dc,
         :"memory"
     );
 }
+#endif
 
+#if HAVE_SSSE3
 static void filter_line_ssse3(uint8_t *dst, uint8_t *src, uint16_t *dc,
                               int width, int thresh, const uint16_t *dithers)
 {
@@ -184,7 +186,9 @@ static void filter_line_ssse3(uint8_t *dst, uint8_t *src, uint16_t *dc,
         :"memory"
     );
 }
+#endif // HAVE_SSSE3
 
+#if HAVE_6REGS && HAVE_SSE2
 #define BLURV(load)\
     intptr_t x = -2*width;\
     __asm__ volatile(\
@@ -218,7 +222,6 @@ static void filter_line_ssse3(uint8_t *dst, uint8_t *src, uint16_t *dc,
         :"memory"\
     );
 
-#if HAVE_6REGS
 static void blur_line_sse2(uint16_t *dc, uint16_t *buf, uint16_t *buf1,
                            uint8_t *src, int sstride, int width)
 {
@@ -228,8 +231,7 @@ static void blur_line_sse2(uint16_t *dc, uint16_t *buf, uint16_t *buf1,
         BLURV("movdqa");
     }
 }
-#endif // HAVE_6REGS
-#endif // HAVE_SSSE3
+#endif // HAVE_6REGS && HAVE_SSE2
 
 static void filter(struct vf_priv_s *ctx, uint8_t *dst, uint8_t *src,
                    int width, int height, int dstride, int sstride, int r)
@@ -383,13 +385,15 @@ static int vf_open(vf_instance_t *vf, char *args)
 
     vf->priv->blur_line = blur_line_c;
     vf->priv->filter_line = filter_line_c;
-#if HAVE_SSSE3
-#if HAVE_6REGS
+#if HAVE_6REGS && HAVE_SSE2
     if (gCpuCaps.hasSSE2)
         vf->priv->blur_line = blur_line_sse2;
 #endif
+#if HAVE_MMX2
     if (gCpuCaps.hasMMX2)
         vf->priv->filter_line = filter_line_mmx2;
+#endif
+#if HAVE_SSSE3
     if (gCpuCaps.hasSSSE3)
         vf->priv->filter_line = filter_line_ssse3;
 #endif