diff --git a/cmd/rbxcompiler/rbxcompiler.go b/cmd/rbxcompiler/rbxcompiler.go
index 60a6590..9fd54f9 100644
--- a/cmd/rbxcompiler/rbxcompiler.go
+++ b/cmd/rbxcompiler/rbxcompiler.go
@@ -60,6 +60,12 @@ func build() {
 			rbxcookie = strings.Replace(string(data), "\n", "", -1)
 		}
 
+		if rbxcookie == "" {
+			fmt.Printf("No roblox cookie provided\n")
+			os.Exit(1)
+			return
+		}
+
 		rbx, err := roblox.New(rbxcookie)
 		if err != nil {
 			fmt.Printf("Failed to start roblox api client: %s\n", err)