diff --git a/bfcodegen/enum-generate.go b/bfcodegen/enum-generate.go
index df7f4c2..f535157 100644
--- a/bfcodegen/enum-generate.go
+++ b/bfcodegen/enum-generate.go
@@ -59,6 +59,7 @@ func GenerateEnumSpecs(sourceDir string, destFile string) error {
 
 	files = langext.ArrFilter(files, func(v os.DirEntry) bool { return v.Name() != path.Base(destFile) })
 	files = langext.ArrFilter(files, func(v os.DirEntry) bool { return strings.HasSuffix(v.Name(), ".go") })
+	files = langext.ArrFilter(files, func(v os.DirEntry) bool { return !strings.HasSuffix(v.Name(), "_gen.go") })
 	langext.SortBy(files, func(v os.DirEntry) string { return v.Name() })
 
 	newChecksumStr := goext.GoextVersion
diff --git a/bfcodegen/id-generate.go b/bfcodegen/id-generate.go
index 6fbcd25..98e7950 100644
--- a/bfcodegen/id-generate.go
+++ b/bfcodegen/id-generate.go
@@ -49,6 +49,7 @@ func GenerateIDSpecs(sourceDir string, destFile string) error {
 
 	files = langext.ArrFilter(files, func(v os.DirEntry) bool { return v.Name() != path.Base(destFile) })
 	files = langext.ArrFilter(files, func(v os.DirEntry) bool { return strings.HasSuffix(v.Name(), ".go") })
+	files = langext.ArrFilter(files, func(v os.DirEntry) bool { return !strings.HasSuffix(v.Name(), "_gen.go") })
 	langext.SortBy(files, func(v os.DirEntry) string { return v.Name() })
 
 	newChecksumStr := goext.GoextVersion
diff --git a/goextVersion.go b/goextVersion.go
index b39ada5..6ac2d7e 100644
--- a/goextVersion.go
+++ b/goextVersion.go
@@ -1,5 +1,5 @@
 package goext
 
-const GoextVersion = "0.0.261"
+const GoextVersion = "0.0.262"
 
-const GoextVersionTimestamp = "2023-09-18T10:38:25+0200"
+const GoextVersionTimestamp = "2023-09-18T10:42:43+0200"