diff --git a/libavutil/fifo.c b/libavutil/fifo.c
index f79131a9db7a9d2a2aea59fbf2c83afd95d29eca..21687ff9056a30ab1e1088eb975fe76b9057e909 100644
--- a/libavutil/fifo.c
+++ b/libavutil/fifo.c
@@ -68,7 +68,7 @@ int av_fifo_realloc2(AVFifoBuffer *f, unsigned int new_size)
         AVFifoBuffer *f2 = av_fifo_alloc(new_size);
 
         if (!f2)
-            return -1;
+            return AVERROR(ENOMEM);
         av_fifo_generic_read(f, f2->buffer, len, NULL);
         f2->wptr += len;
         f2->wndx += len;