diff --git a/libavcodec/sbr.h b/libavcodec/sbr.h
index 459ee9c436..23534b16ec 100644
--- a/libavcodec/sbr.h
+++ b/libavcodec/sbr.h
@@ -180,7 +180,7 @@ typedef struct {
     ///Sinusoidal levels
     float              s_m[7][48];
     float              gain[7][48];
-    DECLARE_ALIGNED(16, float, qmf_filter_scratch)[5][64];
+    DECLARE_ALIGNED(32, float, qmf_filter_scratch)[5][64];
     FFTContext         mdct_ana;
     FFTContext         mdct;
     SBRDSPContext      dsp;