diff --git a/libavdevice/avfoundation.m b/libavdevice/avfoundation.m
index 8f5e2bd120..c9de93f774 100644
--- a/libavdevice/avfoundation.m
+++ b/libavdevice/avfoundation.m
@@ -313,9 +313,10 @@ static void destroy_context(AVFContext* ctx)
 static int parse_device_name(AVFormatContext *s)
 {
     AVFContext *ctx = (AVFContext*)s->priv_data;
-    ctx->url = av_strdup(s->url);
     char *save;
 
+    ctx->url = av_strdup(s->url);
+
     if (!ctx->url)
         return AVERROR(ENOMEM);
     if (ctx->url[0] != ':') {