diff --git a/util/docker/coreboot-jenkins-node/Dockerfile b/util/docker/coreboot-jenkins-node/Dockerfile
index 91c8e3a..ae29e43 100644
--- a/util/docker/coreboot-jenkins-node/Dockerfile
+++ b/util/docker/coreboot-jenkins-node/Dockerfile
@@ -55,7 +55,7 @@
 	echo "tmpfs /home/coreboot/.ccache tmpfs rw,mode=1777 0 0" >> /etc/fstab
 
 # Build encapsulate tool
-ADD https://raw.githubusercontent.com/coreboot/encapsulate/main/encapsulate.c /tmp/encapsulate.c
+ADD https://raw.githubusercontent.com/coreboot/encapsulate/master/encapsulate.c /tmp/encapsulate.c
 RUN gcc -o /usr/sbin/encapsulate /tmp/encapsulate.c && \
 	chown root /usr/sbin/encapsulate && \
 	chmod +s /usr/sbin/encapsulate