diff --git a/packaging/osx/deluge-launcher b/packaging/osx/deluge-launcher
index c3c2df007a..cc5f04ccdd 100755
--- a/packaging/osx/deluge-launcher
+++ b/packaging/osx/deluge-launcher
@@ -61,9 +61,9 @@ export DELUGE_IS_RUNNING_BUNDLE=1
 export DELUGE_BUNDLE_I18N="${bundle_data}/locale"
 
 if [ "$(defaults read -g AppleInterfaceStyle 2>/dev/null)" ]; then
-    GTK_THEME="Mojave-dark"
+    GTK_THEME="McOS-CTLina-Dark"
 else
-    GTK_THEME="Mojave-light"
+    GTK_THEME="McOS-CTLina"
 fi
 export GTK_THEME
 
diff --git a/packaging/osx/deluge-macports.bundle b/packaging/osx/deluge-macports.bundle
index 6404171aeb..59d758ee4c 100644
--- a/packaging/osx/deluge-macports.bundle
+++ b/packaging/osx/deluge-macports.bundle
@@ -32,8 +32,8 @@
   <data dest="${bundle}/Contents/Resources/lib/python${env:PY2APP_PYTHON_VERSION}">${prefix:py2app}/Resources/lib/python${env:PY2APP_PYTHON_VERSION}</data>
   <gir>${prefix}/share/gir-1.0/*.gir</gir>
   <!-- gtk theme -->
-  <data>${prefix}/share/themes/Mojave-dark</data>
-  <data>${prefix}/share/themes/Mojave-light</data>
+  <data>${prefix}/share/themes/McOs-CTLina-Dark</data>
+  <data>${prefix}/share/themes/McOs-CTLina</data>
   <data>${prefix}/share/themes/Mac</data><!-- required for stock accelerators cmd-X etc... -->
   <icon-theme icons="all">Adwaita</icon-theme>
   <icon-theme icons="all">hicolor</icon-theme>