diff --git a/docker/controller/scripts/run.sh b/docker/controller/scripts/run.sh
index 1854f0a443..a88dc4ea0f 100755
--- a/docker/controller/scripts/run.sh
+++ b/docker/controller/scripts/run.sh
@@ -4,4 +4,4 @@ mvn -version
 gradle -version
 
 echo "Wait a while extracting war files... It takes time for the first run."
-java -jar ${BASE_DIR}/ngrinder-*.war --port 80
+java -jar -Djava.io.tmpdir=${NGRINDER_HOME}/lib ${BASE_DIR}/ngrinder-*.war --port 80
diff --git a/docker/prepare.sh b/docker/prepare.sh
index 2ba3c37db6..529cada543 100755
--- a/docker/prepare.sh
+++ b/docker/prepare.sh
@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
 echo "copying ngrinder-controller"
 mkdir -p controller/binary
-rm controller/binary/ngrinder*
+rm -rf controller/binary/ngrinder*
 cp ../ngrinder-controller/build/libs/*.war controller/binary/