diff --git a/pkgs/desktops/lomiri/services/biometryd/default.nix b/pkgs/desktops/lomiri/services/biometryd/default.nix
index f04b1fa47fcc..c8d0da9a65c2 100644
--- a/pkgs/desktops/lomiri/services/biometryd/default.nix
+++ b/pkgs/desktops/lomiri/services/biometryd/default.nix
@@ -1,6 +1,7 @@
 { stdenv
 , lib
 , fetchFromGitLab
+, fetchpatch
 , gitUpdater
 , testers
 , boost
@@ -35,13 +36,41 @@ stdenv.mkDerivation (finalAttrs: {
     "dev"
   ];
 
-  postPatch = ''
-    substituteInPlace data/CMakeLists.txt \
-      --replace '/etc' "\''${CMAKE_INSTALL_SYSCONFDIR}" \
-      --replace '/lib' "\''${CMAKE_INSTALL_LIBDIR}"
+  patches = [
+    # https://gitlab.com/ubports/development/core/biometryd/-/merge_requests/31
+    (fetchpatch {
+      url = "https://gitlab.com/OPNA2608/biometryd/-/commit/d01d979e4f98c6473761d1ace308aa182017804e.patch";
+      hash = "sha256-JxL3BLuh33ptfneU1y2qNGFKpeMlZlTMwCK97Rk3aTA=";
+    })
+    (fetchpatch {
+      url = "https://gitlab.com/OPNA2608/biometryd/-/commit/3cec6a3d42ea6aba8892da2c771b317f44daf9e2.patch";
+      hash = "sha256-Ij/aio38WmZ+NsUSbM195Gwb83goWIcCnJvGwAOJi50=";
+    })
+    (fetchpatch {
+      url = "https://gitlab.com/OPNA2608/biometryd/-/commit/e89bd9444bc1cfe84a9aa93faa23057c80f39564.patch";
+      hash = "sha256-1vEG349X9+SvY/f3no/l5cMVGpdzC8h/8XOZwL/70Dc=";
+    })
 
-    substituteInPlace data/biometryd.{conf,service} \
-      --replace '/usr/bin' "$out/bin"
+    # https://gitlab.com/ubports/development/core/biometryd/-/merge_requests/32
+    (fetchpatch {
+      url = "https://gitlab.com/OPNA2608/biometryd/-/commit/9e52fad0139c5a45f69e6a6256b2b5ff54f77740.patch";
+      hash = "sha256-DZSdzKq6EYgAllKSDgkGk2g57zHN+gI5fOoj7U5AcKY=";
+    })
+  ];
+
+  postPatch = ''
+    # Remove with !31 patches, fetchpatch can't apply renames
+    pushd data
+    for type in conf service; do
+      mv biometryd.$type biometryd.$type.in
+      substituteInPlace biometryd.$type.in \
+        --replace '/usr/bin' "\''${CMAKE_INSTALL_FULL_BINDIR}"
+    done
+    popd
+
+    # Uses pkg_get_variable, cannot substitute prefix with that
+    substituteInPlace CMakeLists.txt \
+      --replace 'pkg_get_variable(SYSTEMD_SYSTEM_UNIT_DIR systemd systemdsystemunitdir)' 'set(SYSTEMD_SYSTEM_UNIT_DIR "${placeholder "out"}/lib/systemd/system")'
 
     substituteInPlace src/biometry/qml/Biometryd/CMakeLists.txt \
       --replace "\''${CMAKE_INSTALL_LIBDIR}/qt5/qml" "\''${CMAKE_INSTALL_PREFIX}/${qtbase.qtQmlPrefix}"