diff --git a/libmpcodecs/vf_ilpack.c b/libmpcodecs/vf_ilpack.c
index b0a3f55300..b2005dcb57 100644
--- a/libmpcodecs/vf_ilpack.c
+++ b/libmpcodecs/vf_ilpack.c
@@ -88,6 +88,7 @@ static void pack_nn_MMX(unsigned char *dst, unsigned char *y,
 	pack_nn_C(dst, y, u, v, (w&7));
 }
 
+#if HAVE_EBX_AVAILABLE
 static void pack_li_0_MMX(unsigned char *dst, unsigned char *y,
 	unsigned char *u, unsigned char *v, int w, int us, int vs)
 {
@@ -307,6 +308,7 @@ static void pack_li_1_MMX(unsigned char *dst, unsigned char *y,
 		);
 	pack_li_1_C(dst, y, u, v, (w&15), us, vs);
 }
+#endif /* HAVE_EBX_AVAILABLE */
 #endif
 
 static pack_func_t *pack_nn;
@@ -399,8 +401,10 @@ static int open(vf_instance_t *vf, char* args)
 #if HAVE_MMX
 	if(gCpuCaps.hasMMX) {
 		pack_nn = (pack_func_t *)pack_nn_MMX;
+#if HAVE_EBX_AVAILABLE
 		pack_li_0 = pack_li_0_MMX;
 		pack_li_1 = pack_li_1_MMX;
+#endif
 	}
 #endif
 
diff --git a/libmpcodecs/vf_ivtc.c b/libmpcodecs/vf_ivtc.c
index c29a797f69..4d55d4446f 100644
--- a/libmpcodecs/vf_ivtc.c
+++ b/libmpcodecs/vf_ivtc.c
@@ -40,7 +40,7 @@ enum {
 	F_SHOW
 };
 
-#if HAVE_MMX
+#if HAVE_MMX && HAVE_EBX_AVAILABLE
 static void block_diffs_MMX(struct metrics *m, unsigned char *old, unsigned char *new, int os, int ns)
 {
 	int i;
@@ -516,7 +516,7 @@ static int open(vf_instance_t *vf, char* args)
 	p->first = 1;
 	if (args) sscanf(args, "%d", &p->drop);
 	block_diffs = block_diffs_C;
-#if HAVE_MMX
+#if HAVE_MMX && HAVE_EBX_AVAILABLE
 	if(gCpuCaps.hasMMX) block_diffs = block_diffs_MMX;
 #endif
 	return 1;
diff --git a/libmpcodecs/vf_tfields.c b/libmpcodecs/vf_tfields.c
index dd754256d5..481e96148e 100644
--- a/libmpcodecs/vf_tfields.c
+++ b/libmpcodecs/vf_tfields.c
@@ -168,6 +168,7 @@ static void qpel_li_MMX(unsigned char *d, unsigned char *s, int w, int h, int ds
 	__asm__ volatile("emms \n\t" : : : "memory");
 }
 
+#if HAVE_EBX_AVAILABLE
 static void qpel_4tap_MMX(unsigned char *d, unsigned char *s, int w, int h, int ds, int ss, int up)
 {
 	int i, j, ssd=ss;
@@ -247,6 +248,7 @@ static void qpel_4tap_MMX(unsigned char *d, unsigned char *s, int w, int h, int
 	if (!up) fast_memcpy(d, s, w);
 	__asm__ volatile("emms \n\t" : : : "memory");
 }
+#endif /* HAVE_EBX_AVAILABLE */
 #endif
 
 static inline int clamp(int a)
@@ -480,8 +482,10 @@ static int open(vf_instance_t *vf, char* args)
 	qpel_4tap = qpel_4tap_C;
 #if HAVE_MMX
 	if(gCpuCaps.hasMMX) qpel_li = qpel_li_MMX;
+#if HAVE_EBX_AVAILABLE
 	if(gCpuCaps.hasMMX) qpel_4tap = qpel_4tap_MMX;
 #endif
+#endif
 #if HAVE_MMX2
 	if(gCpuCaps.hasMMX2) qpel_li = qpel_li_MMX2;
 #endif