diff --git a/modules/rosapps/applications/net/tsclient/rdesktop/uiports/nanoxwin.c b/modules/rosapps/applications/net/tsclient/rdesktop/uiports/nanoxwin.c
index c1fd04d8adf..4c5950f56cd 100644
--- a/modules/rosapps/applications/net/tsclient/rdesktop/uiports/nanoxwin.c
+++ b/modules/rosapps/applications/net/tsclient/rdesktop/uiports/nanoxwin.c
@@ -1243,7 +1243,7 @@ static void init_keys(void)
   g_keys[0x53].ch1 = 63508; /* delete */
   g_keys[0x53].ch2 = 63493; /* delete */
   g_keys[0x54].ch1 = 63525; /* f11 */
-  g_keys[0x54].ch1 = 63527; /* f12 */
+  g_keys[0x55].ch1 = 63527; /* f12 */
 }
 
 /*****************************************************************************/