diff --git a/launchable/commands/subset.py b/launchable/commands/subset.py
index 6254493c6..7963b1b07 100644
--- a/launchable/commands/subset.py
+++ b/launchable/commands/subset.py
@@ -157,9 +157,10 @@ def default_path_builder(file_name):
                     return file_name
                 path_builder = default_path_builder
 
-            for t in glob.iglob(join(base, pattern), recursive=True):
-                if path_builder:
-                    path = path_builder(t[len(base)+1:])
+            for b in glob.iglob(base):
+                for t in glob.iglob(join(b, pattern), recursive=True):
+                    if path_builder:
+                        path = path_builder(t[len(b)+1:])
                     if path:
                         self.test_paths.append(self.to_test_path(path))