diff --git a/Makefile b/Makefile
index 1261af1..56928e6 100644
--- a/Makefile
+++ b/Makefile
@@ -5,9 +5,6 @@ forcetest:
 test:
 	HISHTORY_TEST=1 go test -p 1 ./...
 
-fuzz:
-	HISHTORY_TEST=1 go test -p 1 -fuzz=FuzzTestMultipleUsers -run FuzzTestMultipleUsers client/client_test.go
-
 acttest:
 	act push -j test -e .github/push_event.json --reuse --container-architecture linux/amd64
 
diff --git a/client/lib/lib.go b/client/lib/lib.go
index 5c87067..285f0c8 100644
--- a/client/lib/lib.go
+++ b/client/lib/lib.go
@@ -634,9 +634,13 @@ func copyFile(src, dst string) error {
 	if err != nil {
 		return err
 	}
-	defer destination.Close()
+
 	_, err = io.Copy(destination, source)
-	return err
+	if err != nil {
+		return err
+	}
+
+	return destination.Close()
 }
 
 func GetDownloadData() (shared.UpdateInfo, error) {