diff --git a/stacks/pinot-noir-gcc/spack.yaml b/stacks/pinot-noir-gcc/spack.yaml
index bed7ee0ce8502d141e7c440f61e9c2839be00152..07f29653b580db431464a1c4de5abfe6360bedd7 100644
--- a/stacks/pinot-noir-gcc/spack.yaml
+++ b/stacks/pinot-noir-gcc/spack.yaml
@@ -99,8 +99,8 @@ spack:
 
     - matrix:
         - [$mpi_codes]
+        - [$^mpi_gcc]
         - [$%compiler_gcc]
-        - [$%mpi_gcc]
 
   view: false
 #    default: