diff --git a/src/do.c b/src/do.c
index 1e2729f39..e2cdc6231 100644
--- a/src/do.c
+++ b/src/do.c
@@ -1,4 +1,4 @@
-/* NetHack 3.7	do.c	$NHDT-Date: 1652831519 2022/05/17 23:51:59 $  $NHDT-Branch: NetHack-3.7 $:$NHDT-Revision: 1.304 $ */
+/* NetHack 3.7	do.c	$NHDT-Date: 1683832317 2023/05/11 19:11:57 $  $NHDT-Branch: NetHack-3.7 $:$NHDT-Revision: 1.352 $ */
 /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
 /*-Copyright (c) Derek S. Ray, 2015. */
 /* NetHack may be freely redistributed.  See license for details. */
@@ -1466,7 +1466,7 @@ goto_level(
             gc.context.mysteryforce += rn2(diff + 2); /* L:0-4, N:0-3, C:0-2 */
 
             if (on_level(newlevel, &u.uz)) {
-                (void) safe_teleds(FALSE);
+                (void) safe_teleds(TELEDS_NO_FLAGS);
                 (void) next_to_u();
                 return;
             }
diff --git a/src/pray.c b/src/pray.c
index 63e17d212..e231716ce 100644
--- a/src/pray.c
+++ b/src/pray.c
@@ -1,4 +1,4 @@
-/* NetHack 3.7	pray.c	$NHDT-Date: 1649454525 2022/04/08 21:48:45 $  $NHDT-Branch: NetHack-3.7 $:$NHDT-Revision: 1.168 $ */
+/* NetHack 3.7	pray.c	$NHDT-Date: 1683832328 2023/05/11 19:12:08 $  $NHDT-Branch: NetHack-3.7 $:$NHDT-Revision: 1.193 $ */
 /* Copyright (c) Benson I. Margulies, Mike Stephenson, Steve Linhart, 1989. */
 /* NetHack may be freely redistributed.  See license for details. */
 
@@ -385,7 +385,7 @@ fix_worst_trouble(int trouble)
     case TROUBLE_LAVA:
         You("are back on solid ground.");
         /* teleport should always succeed, but if not, just untrap them */
-        if (!safe_teleds(FALSE))
+        if (!safe_teleds(TELEDS_NO_FLAGS))
             reset_utrap(TRUE);
         break;
     case TROUBLE_STARVING:
@@ -446,7 +446,7 @@ fix_worst_trouble(int trouble)
         break;
     case TROUBLE_STUCK_IN_WALL:
         /* no control, but works on no-teleport levels */
-        if (safe_teleds(FALSE)) {
+        if (safe_teleds(TELEDS_NO_FLAGS)) {
             Your("surroundings change.");
         } else {
             /* safe_teleds() couldn't find a safe place; perhaps the
diff --git a/src/region.c b/src/region.c
index 46bcb27d7..69076fa1b 100644
--- a/src/region.c
+++ b/src/region.c
@@ -1,4 +1,4 @@
-/* NetHack 3.7	region.c	$NHDT-Date: 1596498203 2020/08/03 23:43:23 $  $NHDT-Branch: NetHack-3.7 $:$NHDT-Revision: 1.65 $ */
+/* NetHack 3.7	region.c	$NHDT-Date: 1683832331 2023/05/11 19:12:11 $  $NHDT-Branch: NetHack-3.7 $:$NHDT-Revision: 1.81 $ */
 /* Copyright (c) 1996 by Jean-Christophe Collet  */
 /* NetHack may be freely redistributed.  See license for details. */
 
@@ -1229,7 +1229,7 @@ region_safety(void)
 
     if (n > 1 || (n == 1 && !r)) {
         /* multiple overlapping cloud regions or non-expiring one */
-        safe_teleds(FALSE);
+        safe_teleds(TELEDS_NO_FLAGS);
     } else if (r) {
         remove_region(r);
         pline_The("gas cloud enveloping you dissipates.");