diff --git a/manualBuild.sh b/manualBuild.sh
index cd0beeb..4fcd7fe 100755
--- a/manualBuild.sh
+++ b/manualBuild.sh
@@ -9,7 +9,7 @@ if [ "$result" -ne 0 ]; then
 fi
 
 for lesson in ex101 ex201 ex401; do
-  pushd ex101
+  pushd $lesson
   ./manualBuild.sh
   result=$?
   if [ "$result" -ne 0 ]; then