diff --git a/hosts/niks/configuration.nix b/hosts/niks/configuration.nix
index ea8e19bf..ac01a0fc 100644
--- a/hosts/niks/configuration.nix
+++ b/hosts/niks/configuration.nix
@@ -146,8 +146,6 @@
             QT_IM_MODULE = "fcitx";
             XMODIFIERS = "@im=fcitx";
 
-            QT_QPA_PLATFORMTHEME = "qt5ct";
-
             GOPATH = "\$HOME/.local/share/go";
 
             MOZ_ENABLE_WAYLAND = "1";
diff --git a/modules/gui/qt.nix b/modules/gui/qt.nix
index 8c278480..f632460a 100644
--- a/modules/gui/qt.nix
+++ b/modules/gui/qt.nix
@@ -57,6 +57,7 @@ in {
                     QT_QPA_PLATFORM = "wayland;xcb";
                     QT_WAYLAND_DISABLE_WINDOWDECORATION = "1";
                     DISABLE_QT_COMPAT = "0";
+                    QT_QPA_PLATFORMTHEME = "qt5ct";
                 };
             };