diff --git a/lib/install/dev b/lib/install/dev
index eda330c..d80a02d 100755
--- a/lib/install/dev
+++ b/lib/install/dev
@@ -8,4 +8,4 @@ fi
 # Default to port 3000 if not specified
 export PORT="${PORT:-3000}"
 
-exec foreman start -f Procfile.dev "$@"
+exec foreman start -f Procfile.dev --env /dev/null "$@"