diff --git a/devicemapper/devmapper_wrapper.go b/devicemapper/devmapper_wrapper.go
index aff8446..63c55d9 100644
--- a/devicemapper/devmapper_wrapper.go
+++ b/devicemapper/devmapper_wrapper.go
@@ -86,6 +86,7 @@ const (
 	DmUdevDisableSubsystemRulesFlag = C.DM_UDEV_DISABLE_SUBSYSTEM_RULES_FLAG
 	DmUdevDisableDiskRulesFlag      = C.DM_UDEV_DISABLE_DISK_RULES_FLAG
 	DmUdevDisableOtherRulesFlag     = C.DM_UDEV_DISABLE_OTHER_RULES_FLAG
+	DmUdevDisableLibraryFallback    = C.DM_UDEV_DISABLE_LIBRARY_FALLBACK
 )
 
 var (