diff --git a/Vector/ViewController/RoomParticipantsViewController.m b/Vector/ViewController/RoomParticipantsViewController.m
index 2bc1bfea9..846c9ceb5 100644
--- a/Vector/ViewController/RoomParticipantsViewController.m
+++ b/Vector/ViewController/RoomParticipantsViewController.m
@@ -85,6 +85,7 @@
     addParticipantsSearchBarCell.mxkSearchBar.searchBarStyle = UISearchBarStyleMinimal;
     addParticipantsSearchBarCell.mxkSearchBar.returnKeyType = UIReturnKeyDone;
     addParticipantsSearchBarCell.mxkSearchBar.keyboardType = UIKeyboardTypeEmailAddress;
+    addParticipantsSearchBarCell.mxkSearchBar.autocapitalizationType = UITextAutocapitalizationTypeNone;
     addParticipantsSearchBarCell.mxkSearchBar.delegate = self;
     addParticipantsSearchBarCell.mxkSearchBar.placeholder = NSLocalizedStringFromTable(@"room_participants_invite_another_user", @"Vector", nil);
     [self refreshSearchBarItemsColor:addParticipantsSearchBarCell.mxkSearchBar];