http://sourceforge.net/tracker/index.php?func=detail&aid=1791329&group_id=172030&atid=860196

--- src/fstab.c
+++ src/fstab.c
@@ -237,7 +237,7 @@
 /* Ensure that the lock is released if we are interrupted.  */
 static void
 handler (int sig) {
-     die (EX_USER, "%s", sys_siglist[sig]);
+     die (EX_USER, "%s", strsignal(sig));
 }

 static void