diff --git a/alpine.dockerfile b/alpine.dockerfile
index ece055e..d97070e 100644
--- a/alpine.dockerfile
+++ b/alpine.dockerfile
@@ -27,4 +27,6 @@ RUN sed -i '/getty/d' /etc/inittab && \
     rc-update add elogind && \
     rc-update add polkit
 
+ENV XDG_CURRENT_DESKTOP=GNOME
+
 CMD [ "/sbin/init" ]
diff --git a/archlinux.dockerfile b/archlinux.dockerfile
index e86b1ce..cd2a65b 100644
--- a/archlinux.dockerfile
+++ b/archlinux.dockerfile
@@ -20,4 +20,6 @@ RUN systemctl set-default multi-user.target && \
     systemctl mask systemd-oomd low-memory-monitor rtkit-daemon udisks2 && \
     truncate --size 0 /etc/machine-id
 
+ENV XDG_CURRENT_DESKTOP=GNOME
+
 CMD [ "/sbin/init" ]
diff --git a/debian.dockerfile b/debian.dockerfile
index d23c547..6f91cc4 100644
--- a/debian.dockerfile
+++ b/debian.dockerfile
@@ -27,4 +27,6 @@ RUN systemctl set-default multi-user.target && \
     systemctl mask systemd-oomd low-memory-monitor rtkit-daemon udisks2 && \
     truncate --size 0 /etc/machine-id
 
+ENV XDG_CURRENT_DESKTOP=GNOME
+
 CMD [ "/sbin/init" ]
diff --git a/fedora.dockerfile b/fedora.dockerfile
index cea59ae..53fa78c 100644
--- a/fedora.dockerfile
+++ b/fedora.dockerfile
@@ -28,4 +28,6 @@ RUN systemctl set-default multi-user.target && \
     chmod u+rw /etc/shadow && \
     truncate --size 0 /etc/machine-id
 
+ENV XDG_CURRENT_DESKTOP=GNOME
+
 CMD [ "/sbin/init" ]
diff --git a/suse.dockerfile b/suse.dockerfile
index c715f1c..4a950e5 100644
--- a/suse.dockerfile
+++ b/suse.dockerfile
@@ -29,4 +29,6 @@ RUN systemctl set-default multi-user.target && \
     systemctl mask systemd-oomd low-memory-monitor rtkit-daemon udisks2 && \
     truncate --size 0 /etc/machine-id
 
+ENV XDG_CURRENT_DESKTOP=GNOME
+
 CMD [ "/sbin/init" ]