diff --git a/NextcloudTalk/AuthenticationViewController.m b/NextcloudTalk/AuthenticationViewController.m
index 4b842900d..467f87cf9 100644
--- a/NextcloudTalk/AuthenticationViewController.m
+++ b/NextcloudTalk/AuthenticationViewController.m
@@ -195,9 +195,15 @@ - (void)webView:(WKWebView *)webView didReceiveAuthenticationChallenge:(NSURLAut
 
 - (void)webView:(WKWebView *)webView didCommitNavigation:(WKNavigation *)navigation
 {
+    // Disable user interaction to prevent any unwanted zooming while the navigation is ongoing
+    [self.webView setUserInteractionEnabled:NO];
     [_activityIndicatorView stopAnimating];
     [_activityIndicatorView removeFromSuperview];
 }
 
+- (void)webView:(WKWebView *)webView didFinishNavigation:(WKNavigation *)navigation {
+    [self.webView setUserInteractionEnabled:YES];
+}
+
 
 @end