diff --git a/libavcodec/x86/sbrdsp.asm b/libavcodec/x86/sbrdsp.asm
index 6600ba1058..b6fa53517c 100644
--- a/libavcodec/x86/sbrdsp.asm
+++ b/libavcodec/x86/sbrdsp.asm
@@ -382,6 +382,7 @@ apply_noise_main:
 %else
 %define count m_maxq
 %endif
+    movsxdifnidn    noiseq, noised
     dec    noiseq
     shl    count, 2
 %ifdef PIC