diff --git a/src/frontend/inpcom.c b/src/frontend/inpcom.c
index 6950033c8..8da8ceb44 100644
--- a/src/frontend/inpcom.c
+++ b/src/frontend/inpcom.c
@@ -7198,7 +7198,7 @@ static void inp_quote_params(struct card *c, struct card *end_c,
         /* There are devices that should not get quotes around tokens
            following after the terminals. These may be model names or control
            voltages. See bug 384  or Skywater issue 327 */
-        if (strchr("fhmouydqjz", *curr_line))
+        if (strchr("fhmouydqjzsw", *curr_line))
             num_terminals++;
 
         for (i = 0; i < num_params; i++) {