diff --git a/multinode-demo/client.sh b/multinode-demo/client.sh
index a7a1e43e7b..9c0455ec3f 100755
--- a/multinode-demo/client.sh
+++ b/multinode-demo/client.sh
@@ -14,11 +14,11 @@ count=${2:-1}
 rsync_leader_url=$(rsync_url "$leader")
 
 set -ex
-mkdir -p $SOLANA_CONFIG_DIR
-$rsync -vPz "$rsync_leader_url"/config/leader.json $SOLANA_CONFIG_DIR/
-$rsync -vPz "$rsync_leader_url"/config-private/mint.json $SOLANA_CONFIG_DIR/
+mkdir -p "$SOLANA_CONFIG_DIR"
+$rsync -vPz "$rsync_leader_url"/config/leader.json "$SOLANA_CONFIG_DIR"/
+$rsync -vPz "$rsync_leader_url"/config-private/mint.json "$SOLANA_CONFIG_DIR"/
 
 # shellcheck disable=SC2086 # $solana_client_demo should not be quoted
 exec $solana_client_demo \
-  -n "$count" -l $SOLANA_CONFIG_DIR/leader.json \
-  < $SOLANA_CONFIG_DIR/mint.json
+  -n "$count" -l "$SOLANA_CONFIG_DIR"/leader.json \
+  < "$SOLANA_CONFIG_DIR"/mint.json
diff --git a/multinode-demo/drone.sh b/multinode-demo/drone.sh
index 4e541db501..230a2dbe17 100755
--- a/multinode-demo/drone.sh
+++ b/multinode-demo/drone.sh
@@ -33,9 +33,9 @@ fi
 
 rsync_leader_url=$(rsync_url "$leader")
 set -ex
-mkdir -p $SOLANA_CONFIG_DIR
-$rsync -vPz "$rsync_leader_url"/config/leader.json $SOLANA_CONFIG_DIR/
+mkdir -p "$SOLANA_CONFIG_DIR"
+$rsync -vPz "$rsync_leader_url"/config/leader.json "$SOLANA_CONFIG_DIR"/
 
 # shellcheck disable=SC2086 # $solana_drone should not be quoted
 exec $solana_drone \
-  -l $SOLANA_CONFIG_DIR/leader.json < $SOLANA_CONFIG_PRIVATE_DIR/mint.json
+  -l "$SOLANA_CONFIG_DIR"/leader.json < "$SOLANA_CONFIG_PRIVATE_DIR"/mint.json
diff --git a/multinode-demo/wallet.sh b/multinode-demo/wallet.sh
index 95717e8995..4bd1265b8f 100755
--- a/multinode-demo/wallet.sh
+++ b/multinode-demo/wallet.sh
@@ -19,17 +19,17 @@ fi
 rsync_leader_url=$(rsync_url "$leader")
 
 set -e
-mkdir -p $SOLANA_CONFIG_DIR
-if [[ ! -r $SOLANA_CONFIG_DIR/leader.json ]]; then
-  $rsync -vPz "$rsync_leader_url"/config/leader.json $SOLANA_CONFIG_DIR/
+mkdir -p "$SOLANA_CONFIG_DIR"
+if [[ ! -r "$SOLANA_CONFIG_DIR"/leader.json ]]; then
+  $rsync -vPz "$rsync_leader_url"/config/leader.json "$SOLANA_CONFIG_DIR"/
 fi
 
-client_json=$SOLANA_CONFIG_DIR/client.json
+client_json="$SOLANA_CONFIG_DIR"/client.json
 if [[ ! -r $client_json ]]; then
-  $solana_mint <<<0 > $client_json
+  $solana_mint <<<0 > "$client_json"
 fi
 
 set -x
 # shellcheck disable=SC2086 # $solana_wallet should not be quoted
 exec $solana_wallet \
-  -l $SOLANA_CONFIG_DIR/leader.json -m $client_json "$@"
+  -l "$SOLANA_CONFIG_DIR"/leader.json -m "$client_json" "$@"