diff --git a/.github/workflows/macos.yml b/.github/workflows/macos.yml
index 26efc49..72deca4 100644
--- a/.github/workflows/macos.yml
+++ b/.github/workflows/macos.yml
@@ -25,6 +25,8 @@ jobs:
       - name: Package
         run: |
           python3 data/create_bundle.py
+          mkdir -p out/WiiUDownloader.app/Contents/MacOS/lib/share/glib-2.0/schemas
+          cp /opt/homebrew/share/glib-2.0/schemas/* out/WiiUDownloader.app/Contents/MacOS/lib/share/glib-2.0/schemas
           create-dmg \
             --volname "WiiUDownloader" \
             --window-pos 200 120 \
diff --git a/.gitignore b/.gitignore
index 8335778..947d8e2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,3 +7,4 @@ gtitles.c
 output/
 main
 *.a
+out/
diff --git a/certificate.go b/certificate.go
index af45671..d9efc0f 100644
--- a/certificate.go
+++ b/certificate.go
@@ -3,6 +3,7 @@ package wiiudownloader
 import (
 	"fmt"
 	"os"
+	"path"
 
 	"github.com/cavaliergopher/grab/v3"
 )
@@ -30,15 +31,16 @@ func getDefaultCert(progressWindow *ProgressWindow, client *grab.Client) ([]byte
 	if len(cetkData) >= 0x350+0x300 {
 		return cetkData[0x350 : 0x350+0x300], nil
 	}
-	if err := downloadFile(progressWindow, client, "http://ccs.cdn.c.shop.nintendowifi.net/ccs/download/000500101000400a/cetk", "cetk"); err != nil {
+	cetkDir := path.Join(os.TempDir(), "cetk")
+	if err := downloadFile(progressWindow, client, "http://ccs.cdn.c.shop.nintendowifi.net/ccs/download/000500101000400a/cetk", cetkDir); err != nil {
 		return nil, err
 	}
-	cetkData, err := os.ReadFile("cetk")
+	cetkData, err := os.ReadFile(cetkDir)
 	if err != nil {
 		return nil, err
 	}
 
-	if err := os.Remove("cetk"); err != nil {
+	if err := os.Remove(cetkDir); err != nil {
 		return nil, err
 	}
 
diff --git a/downloader.go b/downloader.go
index e72f466..c03e551 100644
--- a/downloader.go
+++ b/downloader.go
@@ -254,7 +254,9 @@ func DownloadTitle(titleID string, outputDirectory string, doDecryption bool, pr
 				return err
 			}
 			if err := checkContentHashes(outputDirectory, content, &cipherHashTree); err != nil {
-				fmt.Println(err)
+				if progressWindow.cancelled {
+					break
+				}
 				return err
 			}
 		}