1 files changed, 2 insertions, 1 deletions

diff --git a/lib-src/movemail.c b/lib-src/movemail.c
index b127c85951d..f492188963d 100644
--- a/lib-src/movemail.c
+++ b/lib-src/movemail.c
@@ -488,7 +488,8 @@ main (int argc, char **argv)
 #ifdef MAIL_USE_SYSTEM_LOCK
       if (! preserve_mail)
         {
-          ftruncate (indesc, 0L);
+          if (ftruncate (indesc, 0L) != 0)
+            pfatal_with_name (inname);
         }
 #endif /* MAIL_USE_SYSTEM_LOCK */