diff --git a/src/lib/teact/teact-dom.ts b/src/lib/teact/teact-dom.ts
index 4219f01c7..f47df2298 100644
--- a/src/lib/teact/teact-dom.ts
+++ b/src/lib/teact/teact-dom.ts
@@ -1,4 +1,4 @@
-import type { ChangeEvent } from 'react';
+import type { ChangeEvent, FocusEvent } from 'react';
 
 import type { Signal } from '../../util/signals';
 import type {
@@ -53,6 +53,7 @@ const MAPPED_ATTRIBUTES: { [k: string]: string } = {
   spellCheck: 'spellcheck',
 };
 const INDEX_KEY_PREFIX = '__indexKey#';
+const SELECTION_STATE_ATTRIBUTE = '__teactSelectionState';
 
 const headsByElement = new WeakMap<Element, VirtualDomHead>();
 const extraClasses = new WeakMap<Element, Set<string>>();
@@ -702,7 +703,7 @@ function processControlled(tag: string, props: AnyLiteral) {
   }
 
   const {
-    value, checked, onInput, onChange,
+    value, checked, onInput, onChange, onBlur,
   } = props;
 
   props.onChange = undefined;
@@ -721,7 +722,7 @@ function processControlled(tag: string, props: AnyLiteral) {
 
         const selectionState: SelectionState = { selectionStart, selectionEnd, isCaretAtEnd };
 
-        e.currentTarget.dataset.__teactSelectionState = JSON.stringify(selectionState);
+        e.currentTarget.dataset[SELECTION_STATE_ATTRIBUTE] = JSON.stringify(selectionState);
       }
     }
 
@@ -729,6 +730,11 @@ function processControlled(tag: string, props: AnyLiteral) {
       e.currentTarget.checked = checked;
     }
   };
+  props.onBlur = (e: FocusEvent<HTMLInputElement>) => {
+    delete e.currentTarget.dataset[SELECTION_STATE_ATTRIBUTE];
+
+    onBlur?.(e);
+  };
 }
 
 function processUncontrolledOnMount(element: DOMElement, props: AnyLiteral) {
@@ -785,7 +791,7 @@ function setAttribute(element: DOMElement, key: string, value: any, namespace?:
     if (inputEl.value !== value) {
       inputEl.value = value;
 
-      const selectionStateJson = inputEl.dataset.__teactSelectionState;
+      const selectionStateJson = inputEl.dataset[SELECTION_STATE_ATTRIBUTE];
       if (selectionStateJson) {
         const { selectionStart, selectionEnd, isCaretAtEnd } = JSON.parse(selectionStateJson) as SelectionState;