diff --git a/src/protocols/rdp/keymaps/fr_ch_qwertz.keymap b/src/protocols/rdp/keymaps/fr_ch_qwertz.keymap
index 459a4fad..8ada9510 100644
--- a/src/protocols/rdp/keymaps/fr_ch_qwertz.keymap
+++ b/src/protocols/rdp/keymaps/fr_ch_qwertz.keymap
@@ -50,7 +50,7 @@ map +altgr -shift 0x12 ~ "€"
 #
 # Dead keys
 #
-map -altgr -shift 0x1B ~ 0x00A8 # Dead key
+map -altgr -shift 0x1B ~ 0xFE57 # Dead umlaut
 map +altgr -shift 0x0C ~ 0xFE51 # Dead acute
 map -altgr -shift 0x0D ~ 0xFE52 # Dead circumflex
 map -altgr +shift 0x0D ~ 0xFE50 # Dead grave