diff --git a/kubebuilder/Tiltfile b/kubebuilder/Tiltfile
index b650ef8dd..b259ae1e4 100644
--- a/kubebuilder/Tiltfile
+++ b/kubebuilder/Tiltfile
@@ -36,7 +36,7 @@ def kubebuilder(DOMAIN, GROUP, VERSION, KIND, IMG='controller:latest', CONTROLLE
     
     # build to tilt_bin beause kubebuilder has a dockerignore for bin/
     def binary():
-        return 'CGO_ENABLED=0 GOOS=linux GOARCH=amd64 GO111MODULE=on go build -o tilt_bin/manager cmd/main.go'
+        return 'CGO_ENABLED=0 GOOS=linux GO111MODULE=on go build -o tilt_bin/manager cmd/main.go'
 
     installed = local("which kubebuilder")
     print("kubebuilder is present:", installed)