diff --git a/pkgs/tools/inputmethods/input-remapper/default.nix b/pkgs/tools/inputmethods/input-remapper/default.nix
index c90eb780e7d6..e892b5f4fe35 100644
--- a/pkgs/tools/inputmethods/input-remapper/default.nix
+++ b/pkgs/tools/inputmethods/input-remapper/default.nix
@@ -120,15 +120,13 @@ in
     sed -r "s#RUN\+\=\"/bin/input-remapper-control#RUN\+\=\"$out/bin/input-remapper-control#g" -i data/99-input-remapper.rules
     sed -r "s#ExecStart\=/usr/bin/input-remapper-service#ExecStart\=$out/bin/input-remapper-service#g" -i data/input-remapper.service
 
-    chmod +x data/*.desktop
-
-    install -D -t $out/share/applications/ data/*.desktop
-    install -D -t $out/share/polkit-1/actions/ data/input-remapper.policy
-    install -D data/99-input-remapper.rules $out/etc/udev/rules.d/99-input-remapper.rules
-    install -D data/input-remapper.service $out/lib/systemd/system/input-remapper.service
-    install -D data/input-remapper.policy $out/share/polkit-1/actions/input-remapper.policy
-    install -D data/inputremapper.Control.conf $out/etc/dbus-1/system.d/inputremapper.Control.conf
-    install -D -t $out/usr/share/input-remapper/ data/*
+    install -m644 -D -t $out/share/applications/ data/*.desktop
+    install -m644 -D -t $out/share/polkit-1/actions/ data/input-remapper.policy
+    install -m644 -D data/99-input-remapper.rules $out/etc/udev/rules.d/99-input-remapper.rules
+    install -m644 -D data/input-remapper.service $out/lib/systemd/system/input-remapper.service
+    install -m644 -D data/input-remapper.policy $out/share/polkit-1/actions/input-remapper.policy
+    install -m644 -D data/inputremapper.Control.conf $out/etc/dbus-1/system.d/inputremapper.Control.conf
+    install -m644 -D -t $out/usr/share/input-remapper/ data/*
 
     # Only install input-remapper prefixed binaries, we don't care about deprecated key-mapper ones
     install -m755 -D -t $out/bin/ bin/input-remapper*