diff --git a/degesch.c b/degesch.c
index 6eb2b47..413c6f0 100644
--- a/degesch.c
+++ b/degesch.c
@@ -13047,10 +13047,13 @@ process_mirc_escape (const struct pollfd *fd, struct app_context *ctx)
 		goto error;
 	switch (buf->str[0])
 	{
+	case 'b' ^ 96:
 	case 'b': CALL_ (ctx->input, insert, "\x02"); break;
 	case 'c': CALL_ (ctx->input, insert, "\x03"); break;
+	case 'i' ^ 96:
 	case 'i':
 	case ']': CALL_ (ctx->input, insert, "\x1d"); break;
+	case 'u' ^ 96:
 	case 'u':
 	case '_': CALL_ (ctx->input, insert, "\x1f"); break;
 	case 'v': CALL_ (ctx->input, insert, "\x16"); break;