diff --git a/pkgs/tools/inputmethods/fcitx5/fcitx5-qt.nix b/pkgs/tools/inputmethods/fcitx5/fcitx5-qt.nix
index 202886e4e8e1..5311d20ffa32 100644
--- a/pkgs/tools/inputmethods/fcitx5/fcitx5-qt.nix
+++ b/pkgs/tools/inputmethods/fcitx5/fcitx5-qt.nix
@@ -1,19 +1,19 @@
 { lib
-, mkDerivation
+, stdenv
 , fetchFromGitHub
 , cmake
 , extra-cmake-modules
 , fcitx5
-, qtx11extras
-, libxcb
-, libXdmcp
 , qtbase
-, qt6
+, qtwayland
+, wrapQtAppsHook
 , wayland
 }:
-
-mkDerivation rec {
-  pname = "fcitx5-qt";
+let
+  majorVersion = lib.versions.major qtbase.version;
+in
+stdenv.mkDerivation rec {
+  pname = "fcitx5-qt${majorVersion}";
   version = "5.1.4";
 
   src = fetchFromGitHub {
@@ -23,30 +23,28 @@ mkDerivation rec {
     sha256 = "sha256-bVH2US/uEZGERslnAh/fyUbzR9fK1UfG4J+mOmrIE8Y=";
   };
 
-  preConfigure = ''
-    substituteInPlace qt5/platforminputcontext/CMakeLists.txt \
-      --replace \$"{CMAKE_INSTALL_QT5PLUGINDIR}" $out/${qtbase.qtPluginPrefix}
-    substituteInPlace qt6/platforminputcontext/CMakeLists.txt \
-      --replace \$"{CMAKE_INSTALL_QT6PLUGINDIR}" $out/${qt6.qtbase.qtPluginPrefix}
+  postPatch = ''
+    substituteInPlace qt${majorVersion}/platforminputcontext/CMakeLists.txt \
+      --replace \$"{CMAKE_INSTALL_QT${majorVersion}PLUGINDIR}" $out/${qtbase.qtPluginPrefix}
   '';
 
   cmakeFlags = [
-    # adding qt6 to buildInputs would result in error: detected mismatched Qt dependencies
-    "-DCMAKE_PREFIX_PATH=${qt6.qtbase};${qt6.qtwayland}"
-    "-DENABLE_QT4=0"
-    "-DENABLE_QT6=1"
+    "-DENABLE_QT4=OFF"
+    "-DENABLE_QT5=OFF"
+    "-DENABLE_QT6=OFF"
+    "-DENABLE_QT${majorVersion}=ON"
   ];
 
   nativeBuildInputs = [
     cmake
     extra-cmake-modules
+    wrapQtAppsHook
   ];
 
   buildInputs = [
+    qtbase
+    qtwayland
     fcitx5
-    qtx11extras
-    libxcb
-    libXdmcp
     wayland
   ];
 
diff --git a/pkgs/tools/inputmethods/fcitx5/with-addons.nix b/pkgs/tools/inputmethods/fcitx5/with-addons.nix
index 75fac87b6285..614074595f51 100644
--- a/pkgs/tools/inputmethods/fcitx5/with-addons.nix
+++ b/pkgs/tools/inputmethods/fcitx5/with-addons.nix
@@ -4,7 +4,8 @@
 , fcitx5
 , withConfigtool ? true
 , fcitx5-configtool
-, fcitx5-qt
+, libsForQt5
+, qt6Packages
 , fcitx5-gtk
 , addons ? [ ]
 }:
@@ -14,7 +15,8 @@ symlinkJoin {
 
   paths = [
     fcitx5
-    fcitx5-qt
+    libsForQt5.fcitx5-qt
+    qt6Packages.fcitx5-qt
     fcitx5-gtk
   ] ++ lib.optionals withConfigtool [
     fcitx5-configtool
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index cac142d0461c..37a6bfb96058 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -8044,7 +8044,7 @@ with pkgs;
 
   fcitx5 = libsForQt5.callPackage ../tools/inputmethods/fcitx5 { };
 
-  fcitx5-with-addons = libsForQt5.callPackage ../tools/inputmethods/fcitx5/with-addons.nix { };
+  fcitx5-with-addons = callPackage ../tools/inputmethods/fcitx5/with-addons.nix { };
 
   fcitx5-bamboo = callPackage ../tools/inputmethods/fcitx5/fcitx5-bamboo.nix { };
 
diff --git a/pkgs/top-level/qt6-packages.nix b/pkgs/top-level/qt6-packages.nix
index f346dec9f603..68f73dad7634 100644
--- a/pkgs/top-level/qt6-packages.nix
+++ b/pkgs/top-level/qt6-packages.nix
@@ -32,6 +32,8 @@ makeScopeWithSplicing' {
   accounts-qt = callPackage ../development/libraries/accounts-qt { };
   appstream-qt = callPackage ../development/libraries/appstream/qt.nix { };
 
+  fcitx5-qt = callPackage ../tools/inputmethods/fcitx5/fcitx5-qt.nix { };
+
   kdsoap = callPackage ../development/libraries/kdsoap { };
 
   kcolorpicker = callPackage ../development/libraries/kcolorpicker { };