diff --git a/.github/workflows/go.yml b/.github/workflows/go.yml
index 8c24059..e118262 100644
--- a/.github/workflows/go.yml
+++ b/.github/workflows/go.yml
@@ -11,7 +11,7 @@ on:
 
 jobs:
 
-  build:
+  CI:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v3
@@ -24,5 +24,10 @@ jobs:
     - name: Build
       run: go build -v ./...
 
+    - name: Staticcheck
+      uses: dominikh/staticcheck-action@v1.3.0
+      with:
+        version: "2022.1.3"
+
     - name: Test
-      run: go test -v ./...
+      run: go test -v -race ./...
diff --git a/nat.go b/nat.go
index 5634fd8..c20fbb6 100644
--- a/nat.go
+++ b/nat.go
@@ -22,7 +22,7 @@ func ToggleNAT(toggle bool) error {
 	}
 
 	f := t.AppendUnique
-	if toggle == Off {
+	if !toggle {
 		f = t.DeleteIfExists
 	}