diff --git a/vncviewer/win32.c b/vncviewer/win32.c
index a2132f3..30c87f1 100644
--- a/vncviewer/win32.c
+++ b/vncviewer/win32.c
@@ -129,6 +129,7 @@
 }
 
 static const int vkey_map[][3] = {
+  { VK_CANCEL,              NoSymbol,       XK_Break },
   { VK_BACK,                XK_BackSpace,   NoSymbol },
   { VK_TAB,                 XK_Tab,         NoSymbol },
   { VK_CLEAR,               XK_Clear,       NoSymbol },