diff --git a/src/static/js/tutorial.js b/src/static/js/tutorial.js
index aa32180..dd558c5 100644
--- a/src/static/js/tutorial.js
+++ b/src/static/js/tutorial.js
@@ -1374,6 +1374,17 @@ const Tutorial = {
         // Bei Modal-Steps: Spotlight ausblenden (Modal hat eigene Abdunkelung)
         var isModalStep = step.target && (step.target.indexOf('#modal-') !== -1);
 
+        // Wenn kein Modal-Step: offene Modals schliessen (z.B. bei Zurueck-Navigation)
+        if (!isModalStep) {
+            ['modal-new', 'modal-sources'].forEach(function(id) {
+                var overlay = document.getElementById(id);
+                if (overlay && overlay.classList.contains('active')) {
+                    overlay.classList.remove('active');
+                    overlay.style.zIndex = '';
+                }
+            });
+        }
+
         if (step.target && step.position !== 'center' && !isModalStep) {
             await this._scrollToTarget(step.target);
             this._spotlightElement(step.target);