diff --git a/configuration/scripts/machines/env.freya_gnu b/configuration/scripts/machines/env.freya_gnu
index b655d6dd0..2681e1318 100755
--- a/configuration/scripts/machines/env.freya_gnu
+++ b/configuration/scripts/machines/env.freya_gnu
@@ -8,7 +8,7 @@ endif
 if ("$inp" != "-nomodules") then
 
 source /opt/modules/default/init/csh # Initialize modules for csh
- Clear environment
+# Clear environment
 module rm PrgEnv-intel
 module rm PrgEnv-cray
 module rm PrgEnv-gnu
@@ -37,3 +37,4 @@ setenv ICE_MACHINE_ACCT P0000000
 setenv ICE_MACHINE_QUEUE "development"
 setenv ICE_MACHINE_BLDTHRDS 18
 setenv ICE_MACHINE_QSTAT "qstat "
+setenv OMP_STACKSIZE 64M
diff --git a/configuration/scripts/machines/env.freya_intel b/configuration/scripts/machines/env.freya_intel
index dcbc1f8ba..4b45cd9e7 100755
--- a/configuration/scripts/machines/env.freya_intel
+++ b/configuration/scripts/machines/env.freya_intel
@@ -36,3 +36,4 @@ setenv ICE_MACHINE_ACCT P0000000
 setenv ICE_MACHINE_QUEUE "development"
 setenv ICE_MACHINE_BLDTHRDS 18
 setenv ICE_MACHINE_QSTAT "qstat "
+setenv OMP_STACKSIZE 64M