diff --git a/EmailAuth/FirebaseEmailAuthUI/FUIPasswordSignInViewController.m b/EmailAuth/FirebaseEmailAuthUI/FUIPasswordSignInViewController.m
index c83e4c77a80..4286dbd5f8d 100755
--- a/EmailAuth/FirebaseEmailAuthUI/FUIPasswordSignInViewController.m
+++ b/EmailAuth/FirebaseEmailAuthUI/FUIPasswordSignInViewController.m
@@ -249,6 +249,7 @@ - (UITableViewCell *)tableView:(UITableView *)tableView
   cell.textField.delegate = self;
   if (indexPath.row == 0) {
     cell.label.text = FUILocalizedString(kStr_Email);
+    cell.textField.enabled = NO;
     _emailField = cell.textField;
     _emailField.text = _email;
     _emailField.placeholder = FUILocalizedString(kStr_EnterYourEmail);
diff --git a/EmailAuth/FirebaseEmailAuthUI/FUIPasswordSignUpViewController.m b/EmailAuth/FirebaseEmailAuthUI/FUIPasswordSignUpViewController.m
index 7ab114ad6b8..40c7f6010f9 100755
--- a/EmailAuth/FirebaseEmailAuthUI/FUIPasswordSignUpViewController.m
+++ b/EmailAuth/FirebaseEmailAuthUI/FUIPasswordSignUpViewController.m
@@ -271,6 +271,7 @@ - (UITableViewCell *)tableView:(UITableView *)tableView
   if (indexPath.row == 0) {
     cell.label.text = FUILocalizedString(kStr_Email);
     cell.accessibilityIdentifier = kEmailSignUpCellAccessibilityID;
+    cell.textField.enabled = NO;
     _emailField = cell.textField;
     _emailField.text = _email;
     _emailField.placeholder = FUILocalizedString(kStr_EnterYourEmail);