diff --git a/units/modprobe@.service b/units/modprobe@.service
index 85a2c08dee6..fe631fffeb8 100644
--- a/units/modprobe@.service
+++ b/units/modprobe@.service
@@ -17,4 +17,4 @@ StartLimitIntervalSec=0
 
 [Service]
 Type=oneshot
-ExecStart=-/sbin/modprobe -abq %I
+ExecStart=-/sbin/modprobe -abq %i