diff --git a/pkgs/development/libraries/qt-6/modules/qtmultimedia.nix b/pkgs/development/libraries/qt-6/modules/qtmultimedia.nix
index 4045a55f6d6e..ba24fbe9294b 100644
--- a/pkgs/development/libraries/qt-6/modules/qtmultimedia.nix
+++ b/pkgs/development/libraries/qt-6/modules/qtmultimedia.nix
@@ -37,7 +37,9 @@ qtModule {
     ++ lib.optionals stdenv.hostPlatform.isLinux [ gstreamer gst-plugins-base gst-plugins-good gst-libav gst-vaapi ]
     ++ lib.optionals stdenv.hostPlatform.isDarwin [ VideoToolbox ];
 
-  patches = lib.optionals stdenv.hostPlatform.isMinGW [
+  patches = [
+    ../patches/fix-qtgui-include-incorrect-case.patch
+  ] ++ lib.optionals stdenv.hostPlatform.isMinGW [
     ../patches/qtmultimedia-windows-no-uppercase-libs.patch
     ../patches/qtmultimedia-windows-resolve-function-name.patch
   ];
diff --git a/pkgs/development/libraries/qt-6/patches/fix-qtgui-include-incorrect-case.patch b/pkgs/development/libraries/qt-6/patches/fix-qtgui-include-incorrect-case.patch
new file mode 100644
index 000000000000..563906fb3157
--- /dev/null
+++ b/pkgs/development/libraries/qt-6/patches/fix-qtgui-include-incorrect-case.patch
@@ -0,0 +1,13 @@
+diff --git a/src/plugins/multimedia/ffmpeg/qffmpegscreencapture_dxgi.cpp b/src/plugins/multimedia/ffmpeg/qffmpegscreencapture_dxgi.cpp
+index affa52d..b71b461 100644
+--- a/src/plugins/multimedia/ffmpeg/qffmpegscreencapture_dxgi.cpp
++++ b/src/plugins/multimedia/ffmpeg/qffmpegscreencapture_dxgi.cpp
+@@ -7,7 +7,7 @@
+ #include <private/qabstractvideobuffer_p.h>
+ #include <private/qmultimediautils_p.h>
+ #include <private/qwindowsmultimediautils_p.h>
+-#include <qtgui/qscreen_platform.h>
++#include <QtGui/qscreen_platform.h>
+ #include "qvideoframe.h"
+ 
+ #include <qloggingcategory.h>