diff --git a/ubuntu/install.bash b/ubuntu/install.bash
index 6688ce45..4cc21b1f 100644
--- a/ubuntu/install.bash
+++ b/ubuntu/install.bash
@@ -1,5 +1,5 @@
 #!/bin/bash
-REPOSITORY="https://raw.githubusercontent.com/criticalmanufacturing/install-scripts/main"
+REPOSITORY=${REPOSITORY:-"https://raw.githubusercontent.com/criticalmanufacturing/install-scripts/main"}
 
 #read arguments
 #while [ $# -gt 0 ]; do