diff --git a/doc/fixes37.0 b/doc/fixes37.0
index fa7704cd8..0db05901e 100644
--- a/doc/fixes37.0
+++ b/doc/fixes37.0
@@ -434,6 +434,8 @@ attempt to make corpse or statue of a named player character would yield that
 	of a random monster instead when 'record' was empty; could result in
 	statues of non-stonable creatures in cockatrice nests
 homemade tin of very low nutrition corpse gave more nutrition than the corpse
+magic mapping performed while engulfed or underwater would display whole map
+	but then not switch back to the engulfed or underwater restricted view
 
 
 Fixes to 3.7.0-x Problems that Were Exposed Via git Repository
diff --git a/src/detect.c b/src/detect.c
index 1f8c5515e..8c4edb1c1 100644
--- a/src/detect.c
+++ b/src/detect.c
@@ -1334,9 +1334,12 @@ do_mapping(void)
         /* browse_map() instead of display_nhwindow(WIN_MAP, TRUE) */
         browse_map(TER_DETECT | TER_MAP | TER_TRP | TER_OBJ,
                    "anything of interest");
-        docrt();
+        map_redisplay(); /* calls reconstrain_map() and docrt() */
+    } else {
+        /* we only get here when unconstrained is False, so reconstrain_map
+           will be a no-op; call it anyway */
+        reconstrain_map();
     }
-    reconstrain_map();
     exercise(A_WIS, TRUE);
 }