diff --git a/internal/extgen/classparser.go b/internal/extgen/classparser.go
index caef0ea23..46a141ea5 100644
--- a/internal/extgen/classparser.go
+++ b/internal/extgen/classparser.go
@@ -212,7 +212,7 @@ func (cp *classParser) parseMethods(filename string) (methods []phpClassMethod,
 
 	defer func() {
 		e := file.Close()
-		if err != nil {
+		if err == nil {
 			err = e
 		}
 	}()
diff --git a/internal/extgen/classparser_test.go b/internal/extgen/classparser_test.go
index 11454c48e..af46e211d 100644
--- a/internal/extgen/classparser_test.go
+++ b/internal/extgen/classparser_test.go
@@ -118,6 +118,26 @@ func SetUserAge(u *UserStruct, age int) {
 	}
 }
 
+func TestClassParserOrphanMethodDirective(t *testing.T) {
+	input := `package main
+
+//export_php:class User
+type UserStruct struct {
+	name string
+}
+
+//export_php:method User::getName(): string
+`
+	tmpDir := t.TempDir()
+	fileName := filepath.Join(tmpDir, "orphan.go")
+	require.NoError(t, os.WriteFile(fileName, []byte(input), 0644))
+
+	parser := classParser{}
+	_, err := parser.parse(fileName)
+	require.Error(t, err)
+	assert.Contains(t, err.Error(), "is not followed by a function declaration")
+}
+
 func TestClassMethods(t *testing.T) {
 	var input = []byte(`package main