diff --git a/getting-started/test-environment.md b/getting-started/test-environment.md
index dcb6356..ae7ab37 100644
--- a/getting-started/test-environment.md
+++ b/getting-started/test-environment.md
@@ -78,9 +78,9 @@ wget -O linuxgsm.sh https://linuxgsm.sh && chmod +x linuxgsm.sh
 ## GitHub Branch Select
 # Allows for the use of different function files
 # from a different repo and/or branch.
-githubuser="GameServerManagers"
-githubrepo="LinuxGSM"
-githubbranch="master"
+[ -n "${LGSM_GITHUBUSER}" ] && githubuser="${LGSM_GITHUBUSER}" || githubuser="GameServerManagers"
+[ -n "${LGSM_GITHUBREPO}" ] && githubrepo="${LGSM_GITHUBREPO}" || githubrepo="LinuxGSM"
+[ -n "${LGSM_GITHUBBRANCH}" ] && githubbranch="${LGSM_GITHUBBRANCH}" || githubbranch="master"
 ```
 
 4. Install the game server