diff --git a/urchin b/urchin
index 5485217..3de84b7 100755
--- a/urchin
+++ b/urchin
@@ -6,7 +6,7 @@ recurse() {
     then
     (
       cd "$potential_test"
-      [ -f setup ] && [ -x setup ] && ./setup
+      [ -f setup ] && . setup
       for test in *
         do recurse "${test}"
       done