diff --git a/src/kernel/drivers/keyboard.c b/src/kernel/drivers/keyboard.c
index 0aa1390..3a52a06 100644
--- a/src/kernel/drivers/keyboard.c
+++ b/src/kernel/drivers/keyboard.c
@@ -14,7 +14,7 @@ static const char g_sc_ascii[128] = {
     'Q', 'W', 'E', 'R', 'T', 'Y', 'U', 'I',
     'O', 'P', '[', ']', '?', '?', 'A', 'S',
     'D', 'F', 'G', 'H', 'J', 'K', 'L', ';',
-    '\'', '`', '?', '\\', 'z', 'x', 'c', 'v',
+    '\'', '`', '?', '\\', 'Z', 'X', 'C', 'V',
     'B', 'N', 'M', ',', '.', '/', '?', '?',
     '?', ' '
 };