diff --git a/scripts/deployment/start-omnl-banking-portal.sh b/scripts/deployment/start-omnl-banking-portal.sh
index 66df740..abb0dcf 100644
--- a/scripts/deployment/start-omnl-banking-portal.sh
+++ b/scripts/deployment/start-omnl-banking-portal.sh
@@ -58,7 +58,17 @@ start() {
 
   if [[ -n "$port" ]]; then
 
-    fuser -k "${port}/tcp" 2>/dev/null || true
+    if command -v fuser >/dev/null 2>&1; then
+
+      fuser -k "${port}/tcp" 2>/dev/null || true
+
+    else
+
+      pid="$(ss -H -tlnp "sport = :${port}" 2>/dev/null | sed -n 's/.*pid=\([0-9]*\).*/\1/p' | head -1)"
+
+      [[ -n "$pid" ]] && kill "$pid" 2>/dev/null || true
+
+    fi
 
     sleep 1