diff --git a/usr.bin/ministat/ministat.c b/usr.bin/ministat/ministat.c
--- a/usr.bin/ministat/ministat.c
+++ b/usr.bin/ministat/ministat.c
@@ -643,7 +643,7 @@
 		for (i = 0; i < nds; i++) {
 			setfilenames[i] = argv[i];
 			if (!strcmp(argv[i], "-"))
-				setfiles[0] = stdin;
+				setfiles[i] = stdin;
 			else
 				setfiles[i] = fopen(argv[i], "r");
 			if (setfiles[i] == NULL)