diff --git a/tests/qemu-iotests/077 b/tests/qemu-iotests/077
index bbf7b5145a..4dd1bdde20 100755
--- a/tests/qemu-iotests/077
+++ b/tests/qemu-iotests/077
@@ -38,7 +38,7 @@ trap "_cleanup; exit \$status" 0 1 2 3 15
 . ./common.rc
 . ./common.filter
 
-_supported_fmt generic
+_supported_fmt raw
 _supported_proto generic
 _supported_os Linux