diff --git a/rpm/harbour-batterybuddy.spec b/rpm/harbour-batterybuddy.spec
index 6f96513..585a1c6 100644
--- a/rpm/harbour-batterybuddy.spec
+++ b/rpm/harbour-batterybuddy.spec
@@ -72,14 +72,16 @@ desktop-file-install --delete-original       \
 # << files
 
 %posttrans
+export SFOSUSER=$(id -un 100000)
+
 # Remove all service (new and old)
 systemctl stop %{name}-oneshot.service || true
 systemctl stop %{name}.service || true
-su nemo -c "systemctl --user stop %{name}.service" || true
+su $SFOSUSER -c "systemctl --user stop %{name}.service" || true
 
 systemctl disable %{name}-oneshot.service || true
 systemctl disable %{name}.service || true
-su nemo -c "systemctl --user disable %{name}.service" || true
+su $SFOSUSER -c "systemctl --user disable %{name}.service" || true
 
 rm %{_unitdir}/%{name}-oneshot.service || true
 rm %{_unitdir}/%{name}.service || true
@@ -92,10 +94,10 @@ cp %{_datadir}/%{name}/service/%{name}-oneshot.service %{_unitdir}/%{name}-onesh
 systemctl start %{name}-oneshot.service
 systemctl enable %{name}-oneshot.service
 
-# Install/update background daemon (nemo)
+# Install/update background daemon (default user)
 cp %{_datadir}/%{name}/service/%{name}.service %{_userunitdir}/%{name}.service
-su nemo -c "systemctl --user start %{name}.service"
-su nemo -c "systemctl --user enable %{name}.service"
+su $SFOSUSER -c "systemctl --user start %{name}.service"
+su $SFOSUSER -c "systemctl --user enable %{name}.service"
 
 # Cleanup
 systemctl daemon-reload
@@ -103,7 +105,10 @@ systemctl reset-failed
 
 
 %postun
-su nemo -c "systemctl --user disable --now %{name}.service" || true
+# Figure out the default user name
+export SFOSUSER=$(id -un 100000)
+
+su $SFOSUSER -c "systemctl --user disable --now %{name}.service" || true
 systemctl disable --now %{name}-oneshot.service || true
 rm %{_unitdir}/%{name}-oneshot.service
 rm %{_userunitdir}/%{name}.service