diff --git a/server/main.lua b/server/main.lua
index 07233ce4..0c3ac488 100644
--- a/server/main.lua
+++ b/server/main.lua
@@ -49,8 +49,10 @@ end)
 ESX.RegisterServerCallback('esx_service:isInService', function(source, cb, name)
 	local isInService = false
 
-	if InService[name][source] then
-		isInService = true
+	if InService[name] ~= nil then
+		if InService[name][source] then
+			isInService = true
+		end
 	end
 
 	cb(isInService)