1 files changed, 1 insertions, 0 deletions
diff --git a/dm.c b/dm.c
index 655380e..c482017 100644
--- a/dm.c
+++ b/dm.c
@@ -910,6 +910,7 @@ StorePid (void)
 # endif
 #endif
 	}
+	ftruncate(pidFd, 0);
 	fprintf (pidFilePtr, "%5ld\n", (long)getpid ());
 	(void) fflush (pidFilePtr);
 	RegisterCloseOnFork (pidFd);