diff --git a/dist/rpm/gnome/systray-x-gnome.spec b/dist/rpm/gnome/systray-x-gnome.spec
index faac80d..61e2395 100644
--- a/dist/rpm/gnome/systray-x-gnome.spec
+++ b/dist/rpm/gnome/systray-x-gnome.spec
@@ -75,6 +75,7 @@ install -Dm0755 SysTray-X %{buildroot}/%{_bindir}/SysTray-X
 mkdir -pv $_systx_dir
 unzip -d $_systx_dir systray-x@Ximi1970.xpi
 install -Dm0644 SysTray_X.json %{buildroot}%{_libdir}/mozilla/native-messaging-hosts/SysTray_X.json
+install -Dm0644 systray-x@Ximi1970.xpi %{buildroot}/usr/lib/thunderbird-addons/extensions/systray-x@Ximi1970.xpi
 
 %post
 PROF_DIR="/etc/dconf/profile"
@@ -137,5 +138,6 @@ fi
 %doc README.md systray-x@Ximi1970.xpi
 %{_bindir}/SysTray-X
 %{_libdir}/mozilla
+/usr/lib/thunderbird-addons/extensions/systray-x@Ximi1970.xpi
 
 %changelog
diff --git a/dist/rpm/kde/systray-x.spec b/dist/rpm/kde/systray-x.spec
index d31c2d9..fc4366c 100644
--- a/dist/rpm/kde/systray-x.spec
+++ b/dist/rpm/kde/systray-x.spec
@@ -78,11 +78,13 @@ install -Dm0755 SysTray-X %{buildroot}/%{_bindir}/SysTray-X
 mkdir -pv $_systx_dir
 unzip -d $_systx_dir systray-x@Ximi1970.xpi
 install -Dm0644 SysTray_X.json %{buildroot}%{_libdir}/mozilla/native-messaging-hosts/SysTray_X.json
+install -Dm0644 systray-x@Ximi1970.xpi %{buildroot}/usr/lib/thunderbird-addons/extensions/systray-x@Ximi1970.xpi
 
 %files
 %license LICENSE 
 %doc README.md systray-x@Ximi1970.xpi
 %{_bindir}/SysTray-X
 %{_libdir}/mozilla
+/usr/lib/thunderbird-addons/extensions/systray-x@Ximi1970.xpi
 
 %changelog
diff --git a/dist/rpm/minimal/systray-x-minimal.spec b/dist/rpm/minimal/systray-x-minimal.spec
index 9720c93..ae75d9f 100644
--- a/dist/rpm/minimal/systray-x-minimal.spec
+++ b/dist/rpm/minimal/systray-x-minimal.spec
@@ -74,11 +74,13 @@ install -Dm0755 SysTray-X %{buildroot}/%{_bindir}/SysTray-X
 mkdir -pv $_systx_dir
 unzip -d $_systx_dir systray-x@Ximi1970.xpi
 install -Dm0644 SysTray_X.json %{buildroot}%{_libdir}/mozilla/native-messaging-hosts/SysTray_X.json
+install -Dm0644 systray-x@Ximi1970.xpi %{buildroot}/usr/lib/thunderbird-addons/extensions/systray-x@Ximi1970.xpi
 
 %files
 %license LICENSE 
 %doc README.md systray-x@Ximi1970.xpi
 %{_bindir}/SysTray-X
 %{_libdir}/mozilla
+/usr/lib/thunderbird-addons/extensions/systray-x@Ximi1970.xpi
 
 %changelog