diff --git a/itl/plugins-contrib.d/vmware.conf b/itl/plugins-contrib.d/vmware.conf
index 63ee3fa06..3de5bec5d 100644
--- a/itl/plugins-contrib.d/vmware.conf
+++ b/itl/plugins-contrib.d/vmware.conf
@@ -237,7 +237,7 @@ object CheckCommand "vmware-esx-dc-runtime-tools" {
 		"--alertonly" = {
 			set_if = "$vmware_alertonly$"
 		}
-		"--open-vm-tools" = {
+		"--open_vm_tools_ok" = {
 			set_if = "$vmware_openvmtools$"
 		}
 	}
@@ -1142,7 +1142,7 @@ object CheckCommand "vmware-esx-soap-vm-runtime-tools" {
 	arguments += {
 		"--select" = "runtime"
 		"--subselect" = "tools"
-		"--open-vm-tools" = {
+		"--open_vm_tools_ok" = {
 			set_if = "$vmware_openvmtools$"
 		}
 	}