diff --git a/libavutil/murmur3.c b/libavutil/murmur3.c
index cab9a98f93..701fa6a0ff 100644
--- a/libavutil/murmur3.c
+++ b/libavutil/murmur3.c
@@ -175,6 +175,7 @@ int main(void)
     av_murmur3_update(ctx, hashes, 256 * 16);
     av_murmur3_final(ctx, hash_result);
     av_free(hashes);
+    av_freep(&ctx);
     printf("result: 0x%"PRIx64" 0x%"PRIx64"\n", AV_RL64(hash_result), AV_RL64(hash_result + 8));
     // official reference value is 32 bit
     return AV_RL32(hash_result) != 0x6384ba69;