diff --git a/postproc/postprocess_template.c b/postproc/postprocess_template.c
index d2583fc941..4e5bd166d5 100644
--- a/postproc/postprocess_template.c
+++ b/postproc/postprocess_template.c
@@ -122,7 +122,7 @@ asm volatile(
 		"movd %%mm0, %0					\n\t"
 		: "=r" (numEq)
 		: "r" (src), "r" (stride)
-		: "%ebx"
+		: "%eax", "%ebx"
 		);
 	numEq= (-numEq) &0xFF;