diff --git a/lld/test/lit.cfg b/lld/test/lit.cfg
index e1f4c8aedab1..a27671c5dd5c 100644
--- a/lld/test/lit.cfg
+++ b/lld/test/lit.cfg
@@ -40,9 +40,9 @@ if lld_obj_root is not None:
     if not llvm_tools_dir:
         lit.fatal('No LLVM tools dir set!')
     path = os.path.pathsep.join((llvm_tools_dir, config.environment['PATH']))
-    path = os.path.pathsep.join((os.path.join('llvm_src_root','test','Scripts'),path))
-    config.environment['PATH'] = path
+    path = os.path.pathsep.join((os.path.join(getattr(config, 'llvm_src_root', None),'test','Scripts'),path))
 
+    config.environment['PATH'] = path
 
     llvm_libs_dir = getattr(config, 'llvm_libs_dir', None)
     if not llvm_libs_dir: