diff --git a/compiler/extccomp.nim b/compiler/extccomp.nim
index 70cd411fef..f92fe82d64 100644
--- a/compiler/extccomp.nim
+++ b/compiler/extccomp.nim
@@ -112,7 +112,7 @@ compiler vcc:
   result = (
     name: "vcc",
     objExt: "obj",
-    optSpeed: " /Ogityb2 /G7 /arch:SSE2 ",
+    optSpeed: " /Ogityb2 /G7 ",
     optSize: " /O1 /G7 ",
     compilerExe: "cl",
     cppCompiler: "cl",