diff --git a/cime_config/machines/config_machines.xml b/cime_config/machines/config_machines.xml
index b4a78ad98d3e..fbd6fe718f7c 100644
--- a/cime_config/machines/config_machines.xml
+++ b/cime_config/machines/config_machines.xml
@@ -4357,7 +4357,7 @@ AMD EPYC 7713 64-Core (Milan) (256GB) and 4 nvidia A100'</DESC>
       <env name="MPICH_COLL_SYNC">MPI_Bcast</env>
       <env name="NETCDF_PATH">$ENV{CRAY_NETCDF_HDF5PARALLEL_PREFIX}</env>
       <env name="PNETCDF_PATH">$ENV{CRAY_PARALLEL_NETCDF_PREFIX}</env>
-	  <env name="PKG_CONFIG_PATH">/usr/projects/e3sm/cudatoolkit:$ENV{PKG_CONFIG_PATH}</env>
+      <env name="PKG_CONFIG_PATH">/usr/projects/e3sm/cudatoolkit:$ENV{PKG_CONFIG_PATH}</env>
     </environment_variables>
     <resource_limits>
       <resource name="RLIMIT_STACK">-1</resource>