diff --git a/scripts/launch-dev-node-with-postgres b/scripts/launch-dev-node-with-postgres
index 9830a7a677..97156754e9 100644
--- a/scripts/launch-dev-node-with-postgres
+++ b/scripts/launch-dev-node-with-postgres
@@ -11,22 +11,11 @@ export POSTGRES_PASSWORD=$ESPRESSO_SEQUENCER_POSTGRES_PASSWORD
 
 export RUST_LOG=${RUST_LOG:-info}
 
-# Function to handle SIGTERM and SIGINT
-cleanup() {
-    echo "Received SIGTERM or SIGINT. Exiting..."
-    kill -TERM "$postgres_pid" 2>/dev/null
-    kill -TERM "$dev_node_pid" 2>/dev/null
-    wait "$postgres_pid"
-    wait "$dev_node_pid"
-    exit 0
-}
-
-# Trap SIGTERM and SIGINT signals
-trap cleanup SIGTERM SIGINT
+# Trap SIGTERM and SIGINT signals and send them to the process group
+trap "trap - SIGTERM && kill -- -$$" SIGINT SIGTERM EXIT
 
 # Start postgres in the background
 docker-entrypoint.sh postgres &
-postgres_pid=$!
 
 # Wait (twice) for postgres to be ready
 # Postgres can be falsely "ready" once before running init scripts.
@@ -37,8 +26,4 @@ done
 
 # Start the dev node
 espresso-dev-node &
-dev_node_pid=$!
-
-# Wait for child processes to exit
-wait "$postgres_pid"
-wait "$dev_node_pid"
+wait