diff --git a/downloads-generation/models_class1_pan/GENERATE.WITH_HPC_CLUSTER.sh b/downloads-generation/models_class1_pan/GENERATE.WITH_HPC_CLUSTER.sh
index e6c275cf3d1381ed11bc10a72dd723d1ef03c1b5..f2ec20b6184bdd6cc1e607880cb092cdc54f22db 100755
--- a/downloads-generation/models_class1_pan/GENERATE.WITH_HPC_CLUSTER.sh
+++ b/downloads-generation/models_class1_pan/GENERATE.WITH_HPC_CLUSTER.sh
@@ -14,6 +14,8 @@ SCRIPT_ABSOLUTE_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)/$(basename "
 SCRIPT_DIR=$(dirname "$SCRIPT_ABSOLUTE_PATH")
 
 mkdir -p "$SCRATCH_DIR"
+rm -rf "$SCRATCH_DIR/$DOWNLOAD_NAME"
+mkdir "$SCRATCH_DIR/$DOWNLOAD_NAME"
 
 # Send stdout and stderr to a logfile included with the archive.
 exec >  >(tee -ia "$SCRATCH_DIR/$DOWNLOAD_NAME/LOG.txt")