diff --git a/mkimg.sh b/mkimg.sh
index 7fb6117..59b83fd 100755
--- a/mkimg.sh
+++ b/mkimg.sh
@@ -23,7 +23,7 @@ case $arch in
         ;;
 esac
 
-wget -O appimagetool.AppImage https://github.com/AppImage/AppImageKit/releases/download/13/appimagetool-$archname.AppImage
+wget --no-check-certificate -O appimagetool.AppImage https://github.com/AppImage/AppImageKit/releases/download/13/appimagetool-$archname.AppImage
 chmod +x appimagetool.AppImage
 
 file appimagetool.AppImage