diff --git a/tools/image/main.go b/tools/image/main.go
index c3644d31d..1d88b8fa9 100644
--- a/tools/image/main.go
+++ b/tools/image/main.go
@@ -59,7 +59,7 @@ func main() {
 
 	baseImage := "gcr.io/distroless/static"
 	if targetOS == "windows" {
-		baseImage = "mcr.microsoft.com/windows/servercore:ltsc2019"
+		baseImage = "mcr.microsoft.com/windows/servercore:ltsc2019-amd64"
 	}
 
 	var img imgutil.Image