diff --git a/Makefile b/Makefile
index f471fad..ff1f110 100644
--- a/Makefile
+++ b/Makefile
@@ -235,7 +235,7 @@ PVE_CONFIG_OPTS= \
 -e CONFIG_MEMCG_SWAP_ENABLED \
 -e CONFIG_MEMCG_KMEM \
 -d CONFIG_DEFAULT_CFQ \
---set-str CONFIG_DEFAULT_IOSCHED deadline \
+-e CONFIG_DEFAULT_DEADLINE \
 -e CONFIG_MODVERSIONS \
 -d CONFIG_DEFAULT_SECURITY_DAC \
 -e CONFIG_DEFAULT_SECURITY_APPARMOR \