diff --git a/run.sh b/run.sh
index 584ede721ed46b722f75b36b019133a3881f7244..cec6b031d3496e95b888efcefeb59d4d88455ec1 100755
--- a/run.sh
+++ b/run.sh
@@ -27,7 +27,7 @@ do
 
     if [[ $task == "prepare" ]]
     then
-        ./prepare.sh
+        source prepare.sh
     fi
 
     if [[ $task == "test" ]]