diff --git a/src/msw/choice.cpp b/src/msw/choice.cpp
index b681735fd3..21fdc862b1 100644
--- a/src/msw/choice.cpp
+++ b/src/msw/choice.cpp
@@ -139,6 +139,10 @@ bool wxChoice::MSWShouldPreProcessMessage(WXMSG *msg)
                     return false;
                 }
                 break;
+
+            case VK_F4:
+                // This key can always be used to show the dropdown.
+                return false;
         }
     }