diff --git a/conf/utd_ganymede.config b/conf/utd_ganymede.config
index 409dc0a..f701a3c 100644
--- a/conf/utd_ganymede.config
+++ b/conf/utd_ganymede.config
@@ -5,6 +5,11 @@ params {
   config_profile_url = 'http://docs.oithpc.utdallas.edu/'
 }
 
+env {
+    TMPDIR = '/home/$USER/scratch/tmp'
+    SINGULARITY_CACHEDIR = '/home/$USER/scratch/tmp'
+}
+
 singularity {
   enabled = true
   envWhitelist='SINGULARITY_BINDPATH'