diff --git a/libavfilter/x86/vf_interlace.asm b/libavfilter/x86/vf_interlace.asm
index 2d61d7b80a..21916fdb32 100644
--- a/libavfilter/x86/vf_interlace.asm
+++ b/libavfilter/x86/vf_interlace.asm
@@ -46,8 +46,8 @@ cglobal lowpass_line, 5, 5, 7
     mova m3, [r2+r1+mmsize]
     pxor m0, m6
     pxor m1, m6
-    pxor m2, m6
-    pxor m3, m6
+    pxor m2, m6, [r2+r1]
+    pxor m3, m6, [r2+r1+mmsize]
     pavgb m0, m2
     pavgb m1, m3
     pxor m0, m6