diff --git a/addlicense/main.go b/addlicense/main.go
index a12c6fa..b20ecad 100644
--- a/addlicense/main.go
+++ b/addlicense/main.go
@@ -50,6 +50,16 @@ Flags:
 
 `
 
+// AutoSkippedPatterns represent default ignored search patterns (e.g., GitHub Actions workflows)
+var AutoSkippedPatterns = []string{
+	".github/workflows/**",
+	".github/dependabot.yml",
+	"**/node_modules/**",
+	".copywrite.hcl",
+	".git/**/*.pack",
+	"**/.terraform.lock.hcl",
+}
+
 var (
 	skipExtensionFlags stringSlice
 	ignorePatterns     stringSlice
@@ -627,13 +637,10 @@ var goGenerated = regexp.MustCompile(`(?m)^.{1,2} Code generated .* DO NOT EDIT\
 // cargo raze: ^DO NOT EDIT! Replaced on runs of cargo-raze$
 var cargoRazeGenerated = regexp.MustCompile(`(?m)^DO NOT EDIT! Replaced on runs of cargo-raze$`)
 
-// terraform init: ^# This file is maintained automatically by "terraform init"\.$
-var terraformGenerated = regexp.MustCompile(`(?m)^# This file is maintained automatically by "terraform init"\.$`)
-
 // isGenerated returns true if it contains a string that implies the file was
 // generated.
 func isGenerated(b []byte) bool {
-	return goGenerated.Match(b) || cargoRazeGenerated.Match(b) || terraformGenerated.Match(b)
+	return goGenerated.Match(b) || cargoRazeGenerated.Match(b)
 }
 
 func hasLicense(b []byte) bool {
diff --git a/addlicense/main_test.go b/addlicense/main_test.go
index 86a9570..1e445fc 100644
--- a/addlicense/main_test.go
+++ b/addlicense/main_test.go
@@ -53,8 +53,17 @@ func TestInitial(t *testing.T) {
 	for i := 0; i < 2; i++ {
 		t.Logf("run #%d", i)
 		targs := []string{"-test.run=TestInitial"}
-		cargs := []string{"-l", "apache", "-c", "Google LLC", "-y", "2018", tmp}
+		cargs := []string{"-l", "apache", "-c", "Google LLC", "-y", "2018"}
+
+		// supply default ignore list to make test consistent with reality
+		for _, p := range AutoSkippedPatterns {
+			cargs = append(cargs, "-ignore", p)
+		}
+
+		cargs = append(cargs, tmp)
+
 		c := exec.Command(os.Args[0], append(targs, cargs...)...)
+		t.Logf("args = %v", cargs)
 		c.Env = []string{"RUNME=1"}
 		if out, err := c.CombinedOutput(); err != nil {
 			t.Fatalf("%v\n%s", err, out)
diff --git a/cmd/headers.go b/cmd/headers.go
index a8be5cc..42ebbf3 100644
--- a/cmd/headers.go
+++ b/cmd/headers.go
@@ -92,15 +92,7 @@ config, see the "copywrite init" command.`,
 		}
 		cmd.Println("")
 
-		// Append default ignored search patterns (e.g., GitHub Actions workflows)
-		autoSkippedPatterns := []string{
-			".github/workflows/**",
-			".github/dependabot.yml",
-			"**/node_modules/**",
-			".copywrite.hcl",
-			".git/**/*.pack",
-		}
-		ignoredPatterns := lo.Union(conf.Project.HeaderIgnore, autoSkippedPatterns)
+		ignoredPatterns := lo.Union(conf.Project.HeaderIgnore, addlicense.AutoSkippedPatterns)
 
 		// STEP 1: Update existing copyright headers
 		gha.StartGroup("Updating existing copyright headers:")