diff --git a/Champ/champ.def b/Champ/champ.def
index 3c9bf69..f873b28 100644
--- a/Champ/champ.def
+++ b/Champ/champ.def
@@ -42,7 +42,7 @@ From: ubuntu:22.04
     apt purge -y --auto-remove
     rm -rf /var/lib/apt/lists/*
 
-    cat source /opt/environment.sh >> /etc/bash.bashrc
+    echo source /opt/environment.sh >> /etc/bash.bashrc
 
 %runscript
     exec /bin/bash $@