diff --git a/octoprint/Dockerfile b/octoprint/Dockerfile
index f8fde9c..b0f049b 100644
--- a/octoprint/Dockerfile
+++ b/octoprint/Dockerfile
@@ -9,6 +9,9 @@ ENV WITH_KLIPPER ${WITH_KLIPPER}
 ARG WITH_SAFEMODE="no"
 ENV WITH_SAFEMODE ${WITH_SAFEMODE}
 
+ARG OCTO_PRINTER="/tmp/printer"
+ENV OCTO_PRINTER ${OCTO_PRINTER}
+
 # Balena /bin/sh stub is supposed to cleanup itself, but loops when initally called by apt...
 # https://github.com/balena-io-library/base-images/issues/637
 #RUN [[ -f /bin/sh.real ]] && rm /bin/sh && mv /bin/sh.real /bin/sh