diff --git a/tests/qemu-iotests/075 b/tests/qemu-iotests/075
index 40032c5..6117660 100755
--- a/tests/qemu-iotests/075
+++ b/tests/qemu-iotests/075
@@ -39,7 +39,7 @@
 . ./common.filter
 
 _supported_fmt cloop
-_supported_proto generic
+_supported_proto file
 _supported_os Linux
 
 block_size_offset=128