diff --git a/package_test.go b/package_test.go
index 0c85783..744ccd0 100644
--- a/package_test.go
+++ b/package_test.go
@@ -461,7 +461,7 @@ func TestCommandLineArgumentsPagkageDetection(t *testing.T) {
 	}{
 		{"x_cgo_sys_thread_creater", ".", ClassSTD},
 		{"_cgo_sys_thread_star", ".", ClassSTD},
-		{"", ".", ClassGenerated},
+		{"", "<autogenerated>", ClassGenerated},
 		{"gopackage", "gopackage", ClassMain},
 		{"gopackage/subpackage", "gopackage/subpackage", ClassMain},
 	}
diff --git a/utils.go b/utils.go
index a86ed38..fa0d6d6 100644
--- a/utils.go
+++ b/utils.go
@@ -5,16 +5,26 @@ package gore
 
 import (
 	"path/filepath"
+	"strings"
 )
 
 func osAwarePathDir(s string) string {
-	return filepath.Dir(s)
+	if strings.Contains(s, "/") {
+		return filepath.Dir(s)
+	}
+	return s
 }
 
 func osAwarePathBase(s string) string {
-	return filepath.Base(s)
+	if strings.Contains(s, "/") {
+		return filepath.Base(s)
+	}
+	return s
 }
 
 func osAwarePathClean(s string) string {
-	return filepath.Clean(s)
+	if strings.Contains(s, "/") {
+		return filepath.Clean(s)
+	}
+	return s
 }