diff --git a/paperless_ngx/Dockerfile b/paperless_ngx/Dockerfile
index 01b8182e6..f7dd6eefc 100644
--- a/paperless_ngx/Dockerfile
+++ b/paperless_ngx/Dockerfile
@@ -52,7 +52,7 @@ RUN \
     # Run entrypoint
     sed -i '2i /./entrypoint.sh' /sbin/docker-entrypoint.sh && \
     # Source variables
-    sed -i "/entrypoint.sh/a source /etc/cont-init.d/90-config_yaml.sh" /sbin/docker-entrypoint.sh && \
+    sed -i "/\/entrypoint.sh/a source /etc/cont-init.d/90-config_yaml.sh" /sbin/docker-entrypoint.sh && \
     # Set variables
     sed -i '2i bashio::log.info "Defining variables"' /sbin/docker-entrypoint.sh && \
     sed -i '2i if bashio::config.has_value "PUID"; then export USERMAP_UID=$(bashio::config "PUID"); fi' /sbin/docker-entrypoint.sh && \