diff --git a/code/modules/tgs/v3210/api.dm b/code/modules/tgs/v3210/api.dm
index 24d5af15e1..666201a322 100644
--- a/code/modules/tgs/v3210/api.dm
+++ b/code/modules/tgs/v3210/api.dm
@@ -99,7 +99,11 @@
 	if(skip_compat_check && !fexists(SERVICE_INTERFACE_DLL))
 		TGS_ERROR_LOG("Service parameter present but no interface DLL detected. This is symptomatic of running a service less than version 3.1! Please upgrade.")
 		return
-	LIBCALL(SERVICE_INTERFACE_DLL, SERVICE_INTERFACE_FUNCTION)(instance_name, command) //trust no retval
+	#if DM_VERSION >= 515
+	call_ext(SERVICE_INTERFACE_DLL, SERVICE_INTERFACE_FUNCTION)(instance_name, command) //trust no retval
+	#else
+	call(SERVICE_INTERFACE_DLL, SERVICE_INTERFACE_FUNCTION)(instance_name, command) //trust no retval
+	#endif
 	return TRUE
 
 /datum/tgs_api/v3210/OnTopic(T)