diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index 120621150..d5c1274d5 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -195,9 +195,8 @@ jobs:
       sudo tar xf flang.tar
       sudo stow flang
       cd -
-      which flang
-      whence flang
-      make  CC=/usr/local/opt/llvm/bin/clang FC=flang
+      find / -name "libpthread.*"
+      make  CC=/usr/local/opt/llvm/bin/clang FC=/usr/local/bin/flang
       
 - job: OSX_Ifort_Clang
   pool: