diff --git a/libavfilter/graphparser.c b/libavfilter/graphparser.c
index 714ab276bb..c28d912163 100644
--- a/libavfilter/graphparser.c
+++ b/libavfilter/graphparser.c
@@ -107,6 +107,7 @@ static char *consume_string(const char **buf)
         case '[':
         case '=':
         case ',':
+        case ';':
         case ' ':
         case '\n':
             *out++= 0;