diff --git a/lib/worker_multibuild.py b/lib/worker_multibuild.py
index 052872a..3255d7f 100644
--- a/lib/worker_multibuild.py
+++ b/lib/worker_multibuild.py
@@ -57,7 +57,7 @@ RUN echo 'buildbot ALL=(ALL) NOPASSWD:ALL' >> /etc/sudoers
 
 USER buildbot
 
-ENTRYPOINT /usr/local/bin/buildbot_entrypoint.sh "$$BUILDMASTER:$BUILDMASTER_PORT" "$WORKERNAME" "$WORKERPASS"
+ENTRYPOINT /usr/local/bin/buildbot_entrypoint.sh "$BUILDMASTER:$BUILDMASTER_PORT" "$WORKERNAME" "$WORKERPASS"
 
 """
 
@@ -78,7 +78,7 @@ RUN echo 'buildbot ALL=(ALL) NOPASSWD:ALL' >> /etc/sudoers
 
 USER buildbot
 
-ENTRYPOINT /usr/local/bin/buildbot_entrypoint.sh "$$BUILDMASTER:$BUILDMASTER_PORT" "$WORKERNAME" "$WORKERPASS"
+ENTRYPOINT /usr/local/bin/buildbot_entrypoint.sh "$BUILDMASTER:$BUILDMASTER_PORT" "$WORKERNAME" "$WORKERPASS"
 
 """
 
@@ -109,7 +109,7 @@ RUN echo 'buildbot ALL=(ALL) NOPASSWD:ALL' >> /etc/sudoers
 
 USER buildbot
 
-ENTRYPOINT /usr/local/bin/buildbot_entrypoint.sh "$$BUILDMASTER:$BUILDMASTER_PORT" "$WORKERNAME" "$WORKERPASS"
+ENTRYPOINT /usr/local/bin/buildbot_entrypoint.sh "$BUILDMASTER:$BUILDMASTER_PORT" "$WORKERNAME" "$WORKERPASS"
 
 """