diff --git a/libavformat/ftp.c b/libavformat/ftp.c
index ed9a3db419..40a6a33c32 100644
--- a/libavformat/ftp.c
+++ b/libavformat/ftp.c
@@ -572,7 +572,7 @@ static int64_t ftp_seek(URLContext *h, int64_t pos, int whence)
         return AVERROR(EINVAL);
     }
 
-    if  (h->is_streamed)
+    if (h->is_streamed)
         return AVERROR(EIO);
 
     /* XXX: Simulate behaviour of lseek in file protocol, which could be treated as a reference */