summary refs log tree commit diff stats
diff options
context:
space:
mode:
-rw-r--r--tests/docker/dockerfiles/debian.docker2
1 files changed, 1 insertions, 1 deletions
diff --git a/tests/docker/dockerfiles/debian.docker b/tests/docker/dockerfiles/debian.docker
index e44ce2f1c0..b0e1691beb 100644
--- a/tests/docker/dockerfiles/debian.docker
+++ b/tests/docker/dockerfiles/debian.docker
@@ -10,7 +10,7 @@
 FROM debian:stable-slim
 
 # Duplicate deb line as deb-src
-RUN cat /etc/apt/sources.list | sed "s/deb/deb-src/" >> /etc/apt/sources.list
+RUN cat /etc/apt/sources.list | sed "s/^deb\ /deb-src /" >> /etc/apt/sources.list
 
 # Install common build utilities
 RUN apt update