diff --git a/src/components/emoticonsDropdown/index.ts b/src/components/emoticonsDropdown/index.ts
index 40457dfa..2ba14c8a 100644
--- a/src/components/emoticonsDropdown/index.ts
+++ b/src/components/emoticonsDropdown/index.ts
@@ -156,7 +156,9 @@ export class EmoticonsDropdown {
     });
 
     (this.tabsEl.children[1] as HTMLLIElement).click(); // set emoji tab
-    this.tabs[0].init(); // onTransitionEnd не вызовется, т.к. это первая открытая вкладка
+    if(this.tabs[0].init) {
+      this.tabs[0].init(); // onTransitionEnd не вызовется, т.к. это первая открытая вкладка
+    }
 
     rootScope.on('peer_changed', this.checkRights);
     this.checkRights();
diff --git a/src/components/transition.ts b/src/components/transition.ts
index 399d238a..e26ec4a8 100644
--- a/src/components/transition.ts
+++ b/src/components/transition.ts
@@ -161,7 +161,7 @@ const Transition = (content: HTMLElement, animationFunction: TransitionFunction,
     }
 
     if(_from/*  && false */) {
-      onTransitionEndCallbacks.set(_from, () => {
+      const callback = () => {
         _from.classList.remove('active', 'from');
 
         if(onTransitionEndCallback) {
@@ -169,7 +169,16 @@ const Transition = (content: HTMLElement, animationFunction: TransitionFunction,
         }
 
         onTransitionEndCallbacks.delete(_from);
-      });
+      };
+
+      if(to) {
+        onTransitionEndCallbacks.set(_from, callback);
+      } else {
+        const timeout = window.setTimeout(callback, transitionTime);
+        onTransitionEndCallbacks.set(_from, () => {
+          clearTimeout(timeout);
+        });
+      }
 
       if(!animationDeferred) {
         animationDeferred = deferredPromise<void>();
diff --git a/src/lib/appManagers/appStickersManager.ts b/src/lib/appManagers/appStickersManager.ts
index 197a0320..4a1d69ca 100644
--- a/src/lib/appManagers/appStickersManager.ts
+++ b/src/lib/appManagers/appStickersManager.ts
@@ -61,14 +61,19 @@ export class AppStickersManager {
         }
       }
 
-      const stickerSet = await apiManager.invokeApi('messages.getStickerSet', {
-        stickerset: this.getStickerSetInput(set)
-      });
-
+      try {
+        const stickerSet = await apiManager.invokeApi('messages.getStickerSet', {
+          stickerset: this.getStickerSetInput(set)
+        });
+  
+        this.saveStickerSet(stickerSet, set.id);
+  
+        resolve(stickerSet);
+      } catch(err) {
+        resolve(null);
+      }
+      
       delete this.getStickerSetPromises[set.id];
-      this.saveStickerSet(stickerSet, set.id);
-
-      resolve(stickerSet);
     });
   }
 
diff --git a/src/scss/partials/_preloader.scss b/src/scss/partials/_preloader.scss
index 1e14d9b3..982ca051 100644
--- a/src/scss/partials/_preloader.scss
+++ b/src/scss/partials/_preloader.scss
@@ -2,7 +2,8 @@ $transition: .2s ease-in-out;
 
 .preloader {
   &-circular {
-    animation: rotate 2s linear infinite;
+    //animation: rotate 2s linear infinite;
+    animation: rotate 1s linear infinite;
     height: 100%;
     transform-origin: center center;
     /* width: 100%; */
@@ -80,6 +81,10 @@ $transition: .2s ease-in-out;
   &.preloader-swing {
     cursor: default;
 
+    .you-spin-me-round {
+      animation: rotate 1s linear infinite;
+    }
+
     .preloader-path-new {
       //animation: dashNew 1.5s ease-in-out infinite;
       stroke-dasharray: 112.36, 149.82;