diff --git a/bfcodegen/enum-generate.go b/bfcodegen/enum-generate.go
index a220631..93d28cc 100644
--- a/bfcodegen/enum-generate.go
+++ b/bfcodegen/enum-generate.go
@@ -61,11 +61,15 @@ func GenerateEnumSpecs(sourceDir string, destFile string) error {
 		}
 	}
 
-	gocode, _, err := _generateEnumSpecs(sourceDir, destFile, oldChecksum, true)
+	gocode, _, changed, err := _generateEnumSpecs(sourceDir, destFile, oldChecksum, true)
 	if err != nil {
 		return err
 	}
 
+	if changed {
+		return nil
+	}
+
 	err = os.WriteFile(destFile, []byte(gocode), 0o755)
 	if err != nil {
 		return err
@@ -74,11 +78,11 @@ func GenerateEnumSpecs(sourceDir string, destFile string) error {
 	return nil
 }
 
-func _generateEnumSpecs(sourceDir string, destFile string, oldChecksum string, gofmt bool) (string, string, error) {
+func _generateEnumSpecs(sourceDir string, destFile string, oldChecksum string, gofmt bool) (string, string, bool, error) {
 
 	files, err := os.ReadDir(sourceDir)
 	if err != nil {
-		return "", "", err
+		return "", "", false, err
 	}
 
 	files = langext.ArrFilter(files, func(v os.DirEntry) bool { return v.Name() != path.Base(destFile) })
@@ -90,7 +94,7 @@ func _generateEnumSpecs(sourceDir string, destFile string, oldChecksum string, g
 	for _, f := range files {
 		content, err := os.ReadFile(path.Join(sourceDir, f.Name()))
 		if err != nil {
-			return "", "", err
+			return "", "", false, err
 		}
 		newChecksumStr += "\n" + f.Name() + "\t" + cryptext.BytesSha256(content)
 	}
@@ -101,7 +105,7 @@ func _generateEnumSpecs(sourceDir string, destFile string, oldChecksum string, g
 		fmt.Printf("[EnumGenerate] Checksum has changed ( %s -> %s ), will generate new file\n\n", oldChecksum, newChecksum)
 	} else {
 		fmt.Printf("[EnumGenerate] Checksum unchanged ( %s ), nothing to do\n", oldChecksum)
-		return "", oldChecksum, nil
+		return "", oldChecksum, false, nil
 	}
 
 	allEnums := make([]EnumDef, 0)
@@ -112,7 +116,7 @@ func _generateEnumSpecs(sourceDir string, destFile string, oldChecksum string, g
 		fmt.Printf("========= %s =========\n\n", f.Name())
 		fileEnums, pn, err := processEnumFile(sourceDir, path.Join(sourceDir, f.Name()))
 		if err != nil {
-			return "", "", err
+			return "", "", false, err
 		}
 
 		fmt.Printf("\n")
@@ -125,21 +129,21 @@ func _generateEnumSpecs(sourceDir string, destFile string, oldChecksum string, g
 	}
 
 	if pkgname == "" {
-		return "", "", errors.New("no package name found in any file")
+		return "", "", false, errors.New("no package name found in any file")
 	}
 
 	rdata := fmtEnumOutput(newChecksum, allEnums, pkgname)
 
 	if !gofmt {
-		return rdata, newChecksum, nil
+		return rdata, newChecksum, true, nil
 	}
 
 	fdata, err := format.Source([]byte(rdata))
 	if err != nil {
-		return "", "", err
+		return "", "", false, err
 	}
 
-	return string(fdata), newChecksum, nil
+	return string(fdata), newChecksum, true, nil
 }
 
 func processEnumFile(basedir string, fn string) ([]EnumDef, string, error) {
diff --git a/bfcodegen/enum-generate_test.go b/bfcodegen/enum-generate_test.go
index 896fd52..5261a23 100644
--- a/bfcodegen/enum-generate_test.go
+++ b/bfcodegen/enum-generate_test.go
@@ -37,10 +37,10 @@ func TestGenerateEnumSpecs(t *testing.T) {
 	_, err = cmdext.Runner("tar").Arg("-xvzf").Arg(tmpFile).Arg("-C").Arg(tmpDir).FailOnExitCode().FailOnTimeout().Timeout(time.Minute).Run()
 	tst.AssertNoErr(t, err)
 
-	s1, cs1, err := _generateEnumSpecs(tmpDir, "", "N/A", true)
+	s1, cs1, _, err := _generateEnumSpecs(tmpDir, "", "N/A", true)
 	tst.AssertNoErr(t, err)
 
-	s2, cs2, err := _generateEnumSpecs(tmpDir, "", "N/A", true)
+	s2, cs2, _, err := _generateEnumSpecs(tmpDir, "", "N/A", true)
 	tst.AssertNoErr(t, err)
 
 	tst.AssertEqual(t, cs1, cs2)
@@ -76,7 +76,7 @@ func TestGenerateEnumSpecsData(t *testing.T) {
 	_, err = cmdext.Runner("tar").Arg("-xvzf").Arg(tmpFile).Arg("-C").Arg(tmpDir).FailOnExitCode().FailOnTimeout().Timeout(time.Minute).Run()
 	tst.AssertNoErr(t, err)
 
-	s1, _, err := _generateEnumSpecs(tmpDir, "", "", true)
+	s1, _, _, err := _generateEnumSpecs(tmpDir, "", "", true)
 	tst.AssertNoErr(t, err)
 
 	fmt.Println()
diff --git a/goextVersion.go b/goextVersion.go
index 556948c..d6fce44 100644
--- a/goextVersion.go
+++ b/goextVersion.go
@@ -1,5 +1,5 @@
 package goext
 
-const GoextVersion = "0.0.343"
+const GoextVersion = "0.0.344"
 
-const GoextVersionTimestamp = "2023-12-07T18:29:17+0100"
+const GoextVersionTimestamp = "2023-12-07T19:36:21+0100"