diff --git a/src/pyj/read_book/overlay.pyj b/src/pyj/read_book/overlay.pyj
index 30934cf4f8..8cfd98ac6e 100644
--- a/src/pyj/read_book/overlay.pyj
+++ b/src/pyj/read_book/overlay.pyj
@@ -349,6 +349,10 @@ class Overlay:
     def container(self):
         return document.getElementById('book-overlay')
 
+    @property
+    def is_visible(self):
+        return self.container.style.display is not 'none'
+
     def container_clicked(self, evt):
         if self.panels.length and jstype(self.panels[-1].on_container_click) is 'function':
             self.panels[-1].on_container_click(evt)
diff --git a/src/pyj/read_book/view.pyj b/src/pyj/read_book/view.pyj
index 82300749ae..e5fc039352 100644
--- a/src/pyj/read_book/view.pyj
+++ b/src/pyj/read_book/view.pyj
@@ -392,6 +392,13 @@ class View:
             self.goto_named_destination(toc_node.dest, toc_node.frag)
 
     def on_update_cfi(self, data):
+        if self.overlay.is_visible:
+            # Chrome on Android stupidly resizes the viewport when the on
+            # screen keyboard is displayed. This means that the push_state()
+            # below causes the overlay to be closed, making it impossible to
+            # type anything into text boxes.
+            # See https://bugs.chromium.org/p/chromium/issues/detail?id=404315
+            return
         self.currently_showing.bookpos = data.cfi
         push_state(self.ui.url_data, replace=data.replace_history, mode=read_book_mode)
         username = get_interface_data().username