diff --git a/runtime/keymap/brazilian_portuguese-abnt.vim b/runtime/keymap/brazilian_portuguese-abnt.vim
index 67daff9d68..b67bf1cfdc 100644
--- a/runtime/keymap/brazilian_portuguese-abnt.vim
+++ b/runtime/keymap/brazilian_portuguese-abnt.vim
@@ -67,4 +67,5 @@ loadkeymap
 ¬ \\ ASCII BACKSLASH
 ® | ASCII HORIZONTAL SLASH
 [= / ASCII SLASH
-'= ? ASCII INTEROGATION
+'= ? ASCII INTERROGATION
+` ' ASCII SINGLE QUOTE
diff --git a/runtime/keymap/brazilian_portuguese-compact.vim b/runtime/keymap/brazilian_portuguese-compact.vim
index 1a4a3d4233..9b34c59ff5 100644
--- a/runtime/keymap/brazilian_portuguese-compact.vim
+++ b/runtime/keymap/brazilian_portuguese-compact.vim
@@ -69,3 +69,4 @@ loadkeymap
 ~ " ASCII DOUBLE QUOTES
 '- ? ASCII EXCLAMATION
 '= | ASCII VERTICAL SLASH
+` ' ASCII SINGLE QUOTE