diff --git a/src/Gui/Stylesheets/CMakeLists.txt b/src/Gui/Stylesheets/CMakeLists.txt
index 3d78cb7a7368..78a44eebc7b7 100644
--- a/src/Gui/Stylesheets/CMakeLists.txt
+++ b/src/Gui/Stylesheets/CMakeLists.txt
@@ -3,6 +3,9 @@ SET(Stylesheets_Files
     "Dark-blue.qss"
     "Dark-green.qss"
     "Dark-orange.qss"
+    "Darker-blue.qss"
+    "Darker-green.qss"
+    "Darker-orange.qss"
     "Light-blue.qss"
     "Light-green.qss"
     "Light-orange.qss"