diff --git a/src/msw/combobox.cpp b/src/msw/combobox.cpp
index e2072b31cc..afb0a7f06d 100644
--- a/src/msw/combobox.cpp
+++ b/src/msw/combobox.cpp
@@ -243,6 +243,9 @@ bool wxComboBox::MSWProcessEditSpecialKey(WXWPARAM vkey)
                     // beep if it gets it
                     return true;
                 }
+
+                if ( ClickDefaultButtonIfPossible() )
+                    return true;
             }
             break;