diff --git a/libavcodec/atrac3.c b/libavcodec/atrac3.c
index 585b9972bc..7bc344c196 100644
--- a/libavcodec/atrac3.c
+++ b/libavcodec/atrac3.c
@@ -609,7 +609,7 @@ static void reverseMatrixing(float *su1, float *su2, int *pPrevCode, int *pCurrC
                 }
                 break;
             default:
-                assert(0);
+                av_assert1(0);
         }
     }
 }