diff --git a/testinterfaces.sh b/testinterfaces.sh
index 3c14bd7..f6a0572 100644
--- a/testinterfaces.sh
+++ b/testinterfaces.sh
@@ -356,10 +356,10 @@ csuminternal()
 
 	i="$1"
 
-	#if ! hascap test "$i"; then
-	#	echo "skipping $i, test interface not capable"
-	#	continue
-	#fi
+	if ! hascap test "$i"; then
+		echo "skipping $i, test interface not capable"
+		continue
+	fi
 
 	echo "testing: $i"