diff --git a/pkgs/applications/gis/qgis/default.nix b/pkgs/applications/gis/qgis/default.nix
index f272fd04dd0d..65285c503f7d 100644
--- a/pkgs/applications/gis/qgis/default.nix
+++ b/pkgs/applications/gis/qgis/default.nix
@@ -1,5 +1,5 @@
 { lib, makeWrapper, symlinkJoin
-, qgis-unwrapped, extraPythonPackages ? (ps: [ ])
+, qgis-unwrapped, grass, extraPythonPackages ? (ps: [ ])
 }:
 with lib;
 symlinkJoin rec {
@@ -8,7 +8,7 @@ symlinkJoin rec {
 
   paths = [ qgis-unwrapped ];
 
-  nativeBuildInputs = [ makeWrapper qgis-unwrapped.python3Packages.wrapPython ];
+  nativeBuildInputs = [ grass makeWrapper qgis-unwrapped.python3Packages.wrapPython ];
 
   # extend to add to the python environment of QGIS without rebuilding QGIS application.
   pythonInputs = qgis-unwrapped.pythonBuildInputs ++ (extraPythonPackages qgis-unwrapped.python3Packages);
@@ -20,6 +20,7 @@ symlinkJoin rec {
 
     wrapProgram $out/bin/qgis \
       --prefix PATH : $program_PATH \
+      --prefix PATH : ${lib.makeBinPath [grass]} \
       --set PYTHONPATH $program_PYTHONPATH
   '';
 
diff --git a/pkgs/applications/gis/qgis/unwrapped.nix b/pkgs/applications/gis/qgis/unwrapped.nix
index 14bafb6c51bc..35ffbc5ba669 100644
--- a/pkgs/applications/gis/qgis/unwrapped.nix
+++ b/pkgs/applications/gis/qgis/unwrapped.nix
@@ -27,6 +27,7 @@
 , qtsensors
 , qca-qt5
 , qtkeychain
+, qt3d
 , qscintilla
 , qtserialport
 , qtxmlpatterns
@@ -96,6 +97,7 @@ in mkDerivation rec {
     qscintilla
     qtserialport
     qtxmlpatterns
+    qt3d
   ] ++ lib.optional withGrass grass
     ++ lib.optional withWebKit qtwebkit
     ++ pythonBuildInputs;
@@ -113,10 +115,11 @@ in mkDerivation rec {
 
   cmakeFlags = [
     "-DCMAKE_SKIP_BUILD_RPATH=OFF"
+    "-DWITH_3D=True"
     "-DPYQT5_SIP_DIR=${python3Packages.pyqt5}/${python3Packages.python.sitePackages}/PyQt5/bindings"
     "-DQSCI_SIP_DIR=${python3Packages.qscintilla-qt5}/${python3Packages.python.sitePackages}/PyQt5/bindings"
   ] ++ lib.optional (!withWebKit) "-DWITH_QTWEBKIT=OFF"
-    ++ lib.optional withGrass "-DGRASS_PREFIX7=${grass}/${grass.name}";
+    ++ lib.optional withGrass "-DGRASS_PREFIX7=${grass}/grass78";
 
   meta = {
     description = "A Free and Open Source Geographic Information System";
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 0c8d9ed73adc..55f5f08ebbd3 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -28258,7 +28258,7 @@ with pkgs;
   wrapQemuBinfmtP = callPackage ../applications/virtualization/qemu/binfmt-p-wrapper.nix { };
 
   qgis-unwrapped = libsForQt5.callPackage ../applications/gis/qgis/unwrapped.nix {
-    withGrass = false;
+    withGrass = true;
   };
 
   qgis = callPackage ../applications/gis/qgis { };