diff --git a/Setup/src/Program.bf b/Setup/src/Program.bf
index ec33bb3..7db2824 100644
--- a/Setup/src/Program.bf
+++ b/Setup/src/Program.bf
@@ -210,8 +210,16 @@ class SpriVCrossGenerator : Cpp2BeefGenerator, this(Span<char8*> args)
 
 class Program
 {
+	[CLink] static extern int32 system(char8*);
+
 	public static int Main(String[] args)
 	{
+		if (system("git -C .. submodule update") != 0)
+		{
+			Console.WriteLine("Failed to fetch SPIRV-Cross, check your internet connection");
+			return 1;
+		}
+
 		scope SpriVCrossGenerator(char8*[?]("--language=c")).Generate("../SPIRV-Cross/spirv_cross_c.h");
 		return 0;
 	}