diff --git a/tests/rt.sh b/tests/rt.sh
index b335e78e74..e05e8d4636 100755
--- a/tests/rt.sh
+++ b/tests/rt.sh
@@ -689,8 +689,9 @@ elif [[ $MACHINE_ID = gaea ]]; then
   QUEUE=normal
   COMPILE_QUEUE=normal
   PARTITION=c5
-  STMP=/gpfs/f5/epic/scratch
-  PTMP=/gpfs/f5/epic/scratch
+  dprefix=${dprefix:-/gpfs/f5/$ACCNR/scratch/$USER}
+  STMP=${STMP:-$dprefix/RT_BASELINE}
+  PTMP=${PTMP:-$dprefix/RT_RUNDIRS}
 
   SCHEDULER=slurm