diff --git a/Frontend/src/app/app.component.ts b/Frontend/src/app/app.component.ts
index 37442ef..1017cd6 100644
--- a/Frontend/src/app/app.component.ts
+++ b/Frontend/src/app/app.component.ts
@@ -18,28 +18,30 @@ export class AppComponent {
   ) {
     
     console.log('Start versionUpdates subscribe', this._swUpdate.isEnabled, environment.production);
-    this._swUpdate.versionUpdates.subscribe((evt) => {
-      console.log('Version update', evt);
-      if (evt.type === 'VERSION_READY') {
-        console.log('tt');
-        this._swUpdate.activateUpdate().then(() => {
-          console.log('Update!');
-          this._notifications.add({
-            text: "New version available. DiunaBI will restart in 10 seconds.",
-            duration: 10000,
-            dismiss: () => {
-              window.location.reload()
-            },
-            btn: 'Cancel',
-            action: () => {
+    if (this._swUpdate.isEnabled && environment.production) {
+      this._swUpdate.versionUpdates.subscribe((evt) => {
+        console.log('versionUpdates', evt);
+        switch (evt.type) {
+          case 'VERSION_READY':
+            this._swUpdate.activateUpdate().then(() => {
               this._notifications.add({
-                text: "Restart canceled.",
-                btn: "Hide"
-              });
-            }
-          })
-        });
-      }
-    })
+                text: "New version available. DiunaBI will restart in 10 seconds.",
+                duration: 10000,
+                dismiss: () => {
+                  window.location.reload()
+                },
+                btn: 'Cancel',
+                action: () => {
+                  this._notifications.add({
+                    text: "Restart canceled.",
+                    btn: "Hide"
+                  });
+                }
+              })
+            });
+            break;
+        }
+      });
+    }
   }
  }