diff --git a/st.c b/st.c
index c67619d..71b1521 100644
--- a/st.c
+++ b/st.c
@@ -1459,7 +1459,7 @@ treset(void) {
 	term.top = 0;
 	term.bot = term.row - 1;
 	term.mode = MODE_WRAP;
-	memset(term.trantbl, sizeof(term.trantbl), CS_USA);
+	memset(term.trantbl, CS_USA, sizeof(term.trantbl));
 	term.charset = 0;
 
 	for(i = 0; i < 2; i++) {