diff --git a/pipeline/02_warc_parse/main.go b/pipeline/02_warc_parse/main.go
index a5c0ba2..3300147 100644
--- a/pipeline/02_warc_parse/main.go
+++ b/pipeline/02_warc_parse/main.go
@@ -171,7 +171,7 @@ func main() {
 					stats.TitlesFound.Add(1)
 				}
 				stats.IconsFound.Add(int64(len(result.Icons)))
-				if !result.IframeAllowed {
+				if result.Err == nil && !result.IframeAllowed {
 					stats.IframeBlocked.Add(1)
 				}
 				if result.Err != nil {