diff --git a/submodules/WebUI/Sources/WebAppController.swift b/submodules/WebUI/Sources/WebAppController.swift
index e218f55f5f..b434d2f5b0 100644
--- a/submodules/WebUI/Sources/WebAppController.swift
+++ b/submodules/WebUI/Sources/WebAppController.swift
@@ -650,7 +650,12 @@ public final class WebAppController: ViewController, AttachmentContainable {
             
             if let webView = self.webView {
                 let frame = CGRect(origin: CGPoint(x: layout.safeInsets.left, y: navigationBarHeight), size: CGSize(width: layout.size.width - layout.safeInsets.left - layout.safeInsets.right, height: max(1.0, layout.size.height - navigationBarHeight - layout.intrinsicInsets.bottom)))
-                let viewportFrame = CGRect(origin: CGPoint(x: layout.safeInsets.left, y: navigationBarHeight), size: CGSize(width: layout.size.width - layout.safeInsets.left - layout.safeInsets.right, height: max(1.0, layout.size.height - navigationBarHeight - layout.intrinsicInsets.bottom - layout.additionalInsets.bottom)))
+                
+                var bottomInset = layout.intrinsicInsets.bottom - layout.additionalInsets.bottom
+                if let inputHeight = self.validLayout?.0.inputHeight, inputHeight > 44.0 {
+                    bottomInset = max(bottomInset, inputHeight)
+                }
+                let viewportFrame = CGRect(origin: CGPoint(x: layout.safeInsets.left, y: navigationBarHeight), size: CGSize(width: layout.size.width - layout.safeInsets.left - layout.safeInsets.right, height: max(1.0, layout.size.height - navigationBarHeight - bottomInset)))
                 
                 if previousLayout != nil && (previousLayout?.inputHeight ?? 0.0).isZero, let inputHeight = layout.inputHeight, inputHeight > 44.0, transition.isAnimated {
                     webView.scrollToActiveElement(layout: layout, completion: { [weak self] contentOffset in