diff --git a/libavfilter/graphparser.c b/libavfilter/graphparser.c
index 926ab69052..ad1c5fa609 100644
--- a/libavfilter/graphparser.c
+++ b/libavfilter/graphparser.c
@@ -165,9 +165,10 @@ static AVFilterContext *parse_filter(const char **buf, AVFilterGraph *graph,
     char *opts = NULL;
     char *name = consume_string(buf);
 
-    if(**buf == '=')
+    if(**buf == '=') {
         (*buf)++;
         opts = consume_string(buf);
+    }
 
     return create_filter(graph, index, name, opts, log_ctx);
 }