diff --git a/units/modprobe@.service b/units/modprobe@.service
index 5dca2cb771..34a0557735 100644
--- a/units/modprobe@.service
+++ b/units/modprobe@.service
@@ -13,6 +13,7 @@ DefaultDependencies=no
 Before=sysinit.target
 Documentation=man:modprobe(8)
 ConditionCapability=CAP_SYS_MODULE
+ConditionPathExists=!/sys/module/%I
 
 [Service]
 Type=oneshot