--- a/quota.c
+++ b/quota.c
@@ -385,7 +385,7 @@ int main(int argc, char **argv)
 			  break;
 		  case 259:
 			  fscount++;
-			  fsnames = reallocarray(fsnames, fscount, sizeof(char *));
+			  fsnames = realloc(fsnames, fscount * sizeof(char *));
 			  if (!fsnames)
 				die(1, _("Not enough memory for filesystem names"));
 			  fsnames[fscount - 1] = optarg;
