diff --git a/tests/qemu-iotests/pylintrc b/tests/qemu-iotests/pylintrc
index de2e0c2781..05b75ee59b 100644
--- a/tests/qemu-iotests/pylintrc
+++ b/tests/qemu-iotests/pylintrc
@@ -55,4 +55,4 @@ max-line-length=79
 
 [SIMILARITIES]
 
-min-similarity-lines=6
+min-similarity-lines=10