diff --git a/src/protocols/rdp/keymaps/base.keymap b/src/protocols/rdp/keymaps/base.keymap
index 6113118f..188165c6 100644
--- a/src/protocols/rdp/keymaps/base.keymap
+++ b/src/protocols/rdp/keymaps/base.keymap
@@ -58,6 +58,13 @@ map 0x47 ~ 0xffb7 # KP_7
 map 0x48 ~ 0xffb8 # KP_8
 map 0x49 ~ 0xffb9 # KP_9
 
+# Keypad operators
+map      0x37 ~ 0xffaa # KP_multiply
+map      0x4e ~ 0xffab # KP_add
+map      0x4a ~ 0xffad # KP_subtract
+map      0x53 ~ 0xffae # KP_decimal
+map +ext 0x35 ~ 0xffaf # KP_divide
+
 # F keys
 map 0x3B ~ 0xffbe # F1
 map 0x3C ~ 0xffbf # F2