diff --git a/ci/ci-debian.Dockerfile b/ci/ci-debian.Dockerfile
index b8c2cb235..440370891 100644
--- a/ci/ci-debian.Dockerfile
+++ b/ci/ci-debian.Dockerfile
@@ -46,12 +46,14 @@ ARG USER_GROUP=$USER
 
 ENV USER=$USER USER_GROUP=$USER_GROUP
 
-RUN export USER_ID=1000 \
-  && groupadd --gid 1000 $USER_GROUP \
-  && useradd -u $USER_ID -g $USER_GROUP -G sudo -d /home/$USER -m -s /bin/bash -p '$1$iV7TOwOe$6ojkJQXyEA9bHd/SqNLNj0' $USER \
-  && echo "$USER ALL=(ALL) NOPASSWD: ALL" > /etc/sudoers.d/$USER \
-  && echo "export XDG_RUNTIME_DIR=\"/run/user/$USER_ID\"" >> /home/$USER/.profile \
-  && echo "export DBUS_SESSION_BUS_ADDRESS=\"unix:path=/run/user/$USER_ID/bus\"" >> /home/$USER/.profile
+RUN export USER_PI=$USER \
+  && export USER_PI_GROUP=$USER_GROUP \
+  && export USER_PI_ID=1000 \
+  && groupadd --gid 1000 $USER_PI_GROUP \
+  && useradd -u $USER_PI_ID -g $USER_PI_GROUP -G sudo -d /home/$USER_PI -m -s /bin/bash -p '$1$iV7TOwOe$6ojkJQXyEA9bHd/SqNLNj0' $USER_PI \
+  && echo "$USER_PI ALL=(ALL) NOPASSWD: ALL" > /etc/sudoers.d/$USER_PI \
+  && echo "export XDG_RUNTIME_DIR=\"/run/user/$USER_PI_ID\"" >> /home/$USER_PI/.profile \
+  && echo "export DBUS_SESSION_BUS_ADDRESS=\"unix:path=/run/user/$USER_PI_ID/bus\"" >> /home/$USER_PI/.profile
 # ------
 
 
@@ -67,12 +69,12 @@ RUN groupadd --gid 1002 $TEST_USER_GROUP \
 
 RUN export USER_ALT=hans \
   && export USER_ALT_GROUP=wurst \
-  && export USER_ID=1001 \
+  && export USER_ALT_ID=1001 \
   && groupadd --gid 1001 $USER_ALT_GROUP \
-  && useradd -u $USER_ID -g $USER_ALT_GROUP -G sudo,$TEST_USER_GROUP -d /home/$USER_ALT -m -s /bin/bash -p '$1$iV7TOwOe$6ojkJQXyEA9bHd/SqNLNj0' $USER_ALT \
+  && useradd -u $USER_ALT_ID -g $USER_ALT_GROUP -G sudo,$TEST_USER_GROUP -d /home/$USER_ALT -m -s /bin/bash -p '$1$iV7TOwOe$6ojkJQXyEA9bHd/SqNLNj0' $USER_ALT \
   && echo "$USER_ALT ALL=(ALL) NOPASSWD: ALL" > /etc/sudoers.d/$USER_ALT \
-  && echo "export XDG_RUNTIME_DIR=\"/run/user/$USER_ID\"" >> /home/$USER/.profile \
-  && echo "export DBUS_SESSION_BUS_ADDRESS=\"unix:path=/run/user/$USER_ID/bus\"" >> /home/$USER/.profile \
+  && echo "export XDG_RUNTIME_DIR=\"/run/user/$USER_ALT_ID\"" >> /home/$USER_ALT/.profile \
+  && echo "export DBUS_SESSION_BUS_ADDRESS=\"unix:path=/run/user/$USER_ALT_ID/bus\"" >> /home/$USER_ALT/.profile \
   && cat /home/$USER/.profile
 # ------