diff --git a/libavcodec/apedec.c b/libavcodec/apedec.c
index 035fa9a434..5a769a3ea9 100644
--- a/libavcodec/apedec.c
+++ b/libavcodec/apedec.c
@@ -880,7 +880,7 @@ static av_always_inline int filter_3800(APEPredictor *p,
     p->coeffsB[filter][0] += (((d3 >> 29) & 4) - 2) * sign;
     p->coeffsB[filter][1] -= (((d4 >> 30) & 2) - 1) * sign;
 
-    p->filterB[filter] = p->lastA[filter] + (predictionB >> shift);
+    p->filterB[filter] = p->lastA[filter] + (unsigned)(predictionB >> shift);
     p->filterA[filter] = p->filterB[filter] + (unsigned)((int)(p->filterA[filter] * 31U) >> 5);
 
     return p->filterA[filter];