diff --git a/Containers/postgresql/start.sh b/Containers/postgresql/start.sh
index 8d5f7b05..7fb3b8f1 100644
--- a/Containers/postgresql/start.sh
+++ b/Containers/postgresql/start.sh
@@ -155,10 +155,14 @@ if [ -f "/var/lib/postgresql/data/postgresql.conf" ]; then
         sed -i "s|^max_connections =.*|max_connections = $MAX_CONNECTIONS|" "/var/lib/postgresql/data/postgresql.conf"
     fi
 
-    # Modify conf
+    # Do not log checkpoints
     if grep -q "#log_checkpoints" /var/lib/postgresql/data/postgresql.conf; then
         sed -i 's|#log_checkpoints.*|log_checkpoints = off|' /var/lib/postgresql/data/postgresql.conf
     fi
+    # Close idling connections automatically after 3s which does not seem to happen automatically so that we run into max_connections limits
+    if grep -q "#idle_session_timeout" /var/lib/postgresql/data/postgresql.conf; then
+        sed -i 's|#idle_session_timeout.*|idle_session_timeout = 3000|' /var/lib/postgresql/data/postgresql.conf
+    fi
 fi
 
 # Catch docker stop attempts