diff --git a/src/hack.c b/src/hack.c
index 1f0873a79..89c153746 100644
--- a/src/hack.c
+++ b/src/hack.c
@@ -104,7 +104,7 @@ obj_to_any(struct obj *obj)
 boolean
 revive_nasty(coordxy x, coordxy y, const char *msg)
 {
-    struct obj *otmp, *otmp2;
+    struct obj *otmp = 0, *otmp2 = 0;
     struct monst *mtmp;
     coord cc;
     boolean revived = FALSE;
@@ -3379,7 +3379,7 @@ char *
 in_rooms(coordxy x, coordxy y, int typewanted)
 {
     static char buf[5];
-    char rno, *ptr = &buf[4];
+    char rno = 0, *ptr = &buf[4];
     int typefound, min_x, min_y, max_x, max_y_offset, step;
     struct rm *lev;