diff --git a/contrib/apparmor/apparmor_fuzzer.go b/contrib/apparmor/apparmor_fuzzer.go
index 03681ed74..423ee466f 100644
--- a/contrib/apparmor/apparmor_fuzzer.go
+++ b/contrib/apparmor/apparmor_fuzzer.go
@@ -26,6 +26,7 @@ func FuzzLoadDefaultProfile(data []byte) int {
 	if err != nil {
 		return 0
 	}
+	defer f.Close()
 	defer os.Remove("fuzz_file")
 	_, err = f.Write(data)
 	if err != nil {