diff --git a/llvm/utils/lit/lit/TestingConfig.py b/llvm/utils/lit/lit/TestingConfig.py
index 5c1b27394857..440375a588bb 100644
--- a/llvm/utils/lit/lit/TestingConfig.py
+++ b/llvm/utils/lit/lit/TestingConfig.py
@@ -10,6 +10,7 @@ class TestingConfig:
         if config is None:
             # Set the environment based on the command line arguments.
             environment = {
+                'LIBRARY_PATH' : os.environ.get('LIBRARY_PATH',''),
                 'LD_LIBRARY_PATH' : os.environ.get('LD_LIBRARY_PATH',''),
                 'PATH' : os.pathsep.join(litConfig.path +
                                          [os.environ.get('PATH','')]),