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-rw-r--r--libwc/johab.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/libwc/johab.c b/libwc/johab.c
index 8d587b8..498b1bb 100644
--- a/libwc/johab.c
+++ b/libwc/johab.c
@@ -160,9 +160,9 @@ wc_N_to_johab1(wc_uint32 code)
{
wc_uint32 a, b, c;
- a = N_johab1_map[0][(code / 28) / 21];
- b = N_johab1_map[1][(code / 28) % 21];
- c = N_johab1_map[2][ code % 28 ];
+ a = N_johab1_map[0][(code / 28) / 21 & 0x1F];
+ b = N_johab1_map[1][(code / 28) % 21 & 0x1F];
+ c = N_johab1_map[2][ code % 28 & 0x1F];
return 0x8000 | (a << 10) | (b << 5) | c;
}