diff --git a/clone_projects.sh b/clone_projects.sh
index 1145637..09d1c3d 100644
--- a/clone_projects.sh
+++ b/clone_projects.sh
@@ -8,7 +8,9 @@
 ##################
 
 echo "Setting up Lessons..."
-mkdir ~/Lessons
+if [ ! -e ~/Lessons ]; then
+  mkdir ~/Lessons
+fi
 
 echo "Setting up E2L..."
 if [ -e ~/Lessons/E2L ]; then