diff --git a/scripts/simapp/generate_template.sh b/scripts/simapp/generate_template.sh
index dff9811e..26dee504 100755
--- a/scripts/simapp/generate_template.sh
+++ b/scripts/simapp/generate_template.sh
@@ -9,8 +9,8 @@ source "$SCRIPT_DIR"/env
 
 rm -rf "$SCRIPT_DIR/template"
 mkdir "$SCRIPT_DIR/template"
-cp setup.sh "$SCRIPT_DIR/template/"
-cp run_simd.sh "$SCRIPT_DIR/template/"
+cp setup.sh "$SCRIPT_DIR/template/" && chmod +x "$SCRIPT_DIR/template/setup.sh"
+cp run_simd.sh "$SCRIPT_DIR/template/" && chmod +x "$SCRIPT_DIR/template/run_simd.sh"
 
 # The usage of the accounts below is documented in README.md of this directory
 docker run --rm \
diff --git a/scripts/simapp/run_simd.sh b/scripts/simapp/run_simd.sh
old mode 100755
new mode 100644
index 7a66bbbb..3264dacc
--- a/scripts/simapp/run_simd.sh
+++ b/scripts/simapp/run_simd.sh
@@ -2,6 +2,6 @@
 set -o errexit -o nounset -o pipefail
 command -v shellcheck > /dev/null && shellcheck "$0"
 
+cp -R "/template/.simapp" /root
 mkdir -p /root/log
-
 simd start --rpc.laddr tcp://0.0.0.0:26657 --trace
diff --git a/scripts/simapp/setup.sh b/scripts/simapp/setup.sh
old mode 100755
new mode 100644
diff --git a/scripts/simapp/start.sh b/scripts/simapp/start.sh
index 7d66da2c..ad11f87e 100755
--- a/scripts/simapp/start.sh
+++ b/scripts/simapp/start.sh
@@ -15,12 +15,16 @@ echo "Using temporary dir $TMP_DIR"
 SIMD_LOGFILE="$TMP_DIR/simd.log"
 PORT=26657
 
+# Use a fresh volume for every start
+docker volume rm -f simapp_data
+
 docker run --rm \
   --name "$CONTAINER_NAME" \
   -p "$PORT:$PORT" \
-  --mount type=bind,source="$SCRIPT_DIR/template",target=/root \
+  --mount type=bind,source="$SCRIPT_DIR/template",target=/template \
+  --mount type=volume,source=simapp_data,target=/root \
   "$REPOSITORY:$VERSION" \
-  ./run_simd.sh \
+  /template/run_simd.sh \
   > "$SIMD_LOGFILE" &
 
 echo "simd running on http://localhost:$PORT and logging into $SIMD_LOGFILE"
diff --git a/scripts/simapp/template/run_simd.sh b/scripts/simapp/template/run_simd.sh
index 7a66bbbb..3264dacc 100755
--- a/scripts/simapp/template/run_simd.sh
+++ b/scripts/simapp/template/run_simd.sh
@@ -2,6 +2,6 @@
 set -o errexit -o nounset -o pipefail
 command -v shellcheck > /dev/null && shellcheck "$0"
 
+cp -R "/template/.simapp" /root
 mkdir -p /root/log
-
 simd start --rpc.laddr tcp://0.0.0.0:26657 --trace
diff --git a/scripts/wasmd/start.sh b/scripts/wasmd/start.sh
index 06223a77..fdd04568 100755
--- a/scripts/wasmd/start.sh
+++ b/scripts/wasmd/start.sh
@@ -17,9 +17,11 @@ echo "Using temporary dir $TMP_DIR"
 WASMD_LOGFILE="$TMP_DIR/wasmd.log"
 REST_SERVER_LOGFILE="$TMP_DIR/rest-server.log"
 
+# Use a fresh volume for every start
+docker volume rm -f wasmd_data
+
 # This starts up wasmd
 # The Tendermint port (26657) and the p2p port (26656) are not exposed since we don't need for testing
-docker volume rm -f wasmd_data
 docker run --rm \
   --name "$CONTAINER_NAME" \
   -p "$REST_PORT_HOST":"$REST_PORT_GUEST" \