diff --git a/.devcontainer/post-create-command.sh b/.devcontainer/post-create-command.sh
index 2c3e5657..b41648c3 100755
--- a/.devcontainer/post-create-command.sh
+++ b/.devcontainer/post-create-command.sh
@@ -2,9 +2,8 @@
 set -e
 
 # Add user's fork as a remote
-GIT_USER=$(git config user.name)
 if ! git remote | grep -q "fork"; then
-    git remote add fork https://github.com/${GIT_USER}/flask
+    git remote add fork https://github.com/${GITHUB_USER}/flask
 fi
 
 # Create and activate a virtualenv