diff --git a/libavformat/utils.c b/libavformat/utils.c
index 794babac4b..affb9125bc 100644
--- a/libavformat/utils.c
+++ b/libavformat/utils.c
@@ -395,9 +395,9 @@ int av_open_input_stream(AVFormatContext **ic_ptr,
     }
 
     if (ic->iformat->read_header) {
-    err = ic->iformat->read_header(ic, ap);
-    if (err < 0)
-        goto fail;
+        err = ic->iformat->read_header(ic, ap);
+        if (err < 0)
+            goto fail;
     }
 
     if (pb && !ic->data_offset)