diff --git a/submodules/TelegramUniversalVideoContent/Sources/YoutubeEmbedImplementation.swift b/submodules/TelegramUniversalVideoContent/Sources/YoutubeEmbedImplementation.swift
index c972da599d..753ea23172 100644
--- a/submodules/TelegramUniversalVideoContent/Sources/YoutubeEmbedImplementation.swift
+++ b/submodules/TelegramUniversalVideoContent/Sources/YoutubeEmbedImplementation.swift
@@ -176,7 +176,7 @@ final class YoutubeEmbedImplementation: WebEmbedImplementation {
         updateStatus(self.status)
         
         let html = String(format: htmlTemplate, paramsJson)
-        webView.loadHTMLString(html, baseURL: URL(string: "https://telegram.youtube.com"))
+        webView.loadHTMLString(html, baseURL: URL(string: "https://ph.telegra.Telegraph"))
 //        webView.isUserInteractionEnabled = false
         
         userContentController.addUserScript(WKUserScript(source: userScript, injectionTime: .atDocumentEnd, forMainFrameOnly: false))
diff --git a/submodules/UIKitRuntimeUtils/Source/UIKitRuntimeUtils/UIViewController+Navigation.m b/submodules/UIKitRuntimeUtils/Source/UIKitRuntimeUtils/UIViewController+Navigation.m
index 11b0a7530d..ec5224bb81 100644
--- a/submodules/UIKitRuntimeUtils/Source/UIKitRuntimeUtils/UIViewController+Navigation.m
+++ b/submodules/UIKitRuntimeUtils/Source/UIKitRuntimeUtils/UIViewController+Navigation.m
@@ -196,33 +196,38 @@ static void replacement_backdropLayerDidChangeLuma(UIView *self, SEL selector, C
     original_backdropLayerDidChangeLuma(self, selector, layer, luma);
 }
 
+static NSString *TGEncodeText(NSString *string, int key) {
+    NSMutableString *result = [[NSMutableString alloc] init];
+    
+    for (int i = 0; i < (int)[string length]; i++) {
+        unichar c = [string characterAtIndex:i];
+        c += key;
+        [result appendString:[NSString stringWithCharacters:&c length:1]];
+    }
+    
+    return result;
+}
+
 static void registerEffectViewOverrides(void) {
-    int classCount = objc_getClassList(NULL, 0);
-    if (classCount > 0) {
-        __unsafe_unretained Class *classList = (Class *)malloc(classCount * sizeof(Class));
-        objc_getClassList(classList, classCount);
-        
-        NSString *searchString = [@"UISD" stringByAppendingString:@"FBackdropView"];
-        NSString *selectorString = [@"backdropLayer" stringByAppendingString:@":didChangeLuma:"];
-        
-        for (int i = 0; i < classCount; i++)
-        {
-            const char *className = class_getName(classList[i]);
-            NSString *name = [[NSString alloc] initWithCString:className encoding:NSASCIIStringEncoding];
-            if ([name hasSuffix:searchString]) {
-                Method method = (Method)[RuntimeUtils getMethodOfClass:classList[i] selector:NSSelectorFromString(selectorString)];
-                if (method) {
-                    const char *typeEncoding = method_getTypeEncoding(method);
-                    if (strcmp(typeEncoding, "v32@0:8@16d24") == 0) {
-                        original_backdropLayerDidChangeLuma = (id (*)(id, SEL, CALayer *, double))method_getImplementation(method);
-                        [RuntimeUtils replaceMethodImplementationOfClass:classList[i] selector:NSSelectorFromString(selectorString) replacement:(IMP)&replacement_backdropLayerDidChangeLuma];
-                    }
-                }
-                break;
-            }
+    NSMutableArray<NSString *> *nameList = [[NSMutableArray alloc] init];
+    [nameList addObject:TGEncodeText(@"_TtC5UIKitP33_ACD4A08F4BE9D00246F2A9C24A80CA8817UISDFBackdropView", 0)];
+    NSString *selectorString = [@"backdropLayer" stringByAppendingString:@":didChangeLuma:"];
+    
+    for (NSString *name in nameList) {
+        Class classValue = NSClassFromString(name);
+        if (classValue == nil) {
+            continue;
         }
         
-        free(classList);
+        Method method = (Method)[RuntimeUtils getMethodOfClass:classValue selector:NSSelectorFromString(selectorString)];
+        if (method) {
+            const char *typeEncoding = method_getTypeEncoding(method);
+            if (strcmp(typeEncoding, "v32@0:8@16d24") == 0) {
+                original_backdropLayerDidChangeLuma = (id (*)(id, SEL, CALayer *, double))method_getImplementation(method);
+                [RuntimeUtils replaceMethodImplementationOfClass:classValue selector:NSSelectorFromString(selectorString) replacement:(IMP)&replacement_backdropLayerDidChangeLuma];
+            }
+        }
+        break;
     }
 }