diff --git a/browser/accelerator_util.cc b/browser/accelerator_util.cc
index 0c642229ba7f..f7098062c23d 100644
--- a/browser/accelerator_util.cc
+++ b/browser/accelerator_util.cc
@@ -69,6 +69,8 @@ bool StringToAccelerator(const std::string& description,
         key = static_cast<ui::KeyboardCode>(ui::VKEY_A + (tokens[i][0] - 'A'));
       } else if (tokens[i][0] >= '0' && tokens[i][0] <= '9') {
         key = static_cast<ui::KeyboardCode>(ui::VKEY_0 + (tokens[i][0] - '0'));
+      } else if (tokens[i][0] >= '+' && tokens[i][0] <= '.') {
+        key = static_cast<ui::KeyboardCode>(ui::VKEY_OEM_PLUS + (tokens[i][0] - '+'));
       } else {
         LOG(WARNING) << "Invalid accelerator character: " << tokens[i];
         key = ui::VKEY_UNKNOWN;