diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index 286a620ba..3e183d48d 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -174,7 +174,7 @@ jobs:
   steps:   
   - script: |
       brew update
-      brew install llvm libomp
+      brew install llvm libomp gfortran
       mkdir build
       cd build
       cmake -DTARGET=CORE2 -DUSE_OPENMP=1 -DINTERFACE64=1 -DDYNAMIC_ARCH=1 -DCMAKE_C_COMPILER=/usr/local/opt/llvm/bin/clang -DNO_AVX512=1 ..