1 files changed, 4 insertions, 3 deletions

diff --git a/src/filelock.c b/src/filelock.c
index f857c488143..99215f215e7 100644
--- a/src/filelock.c
+++ b/src/filelock.c
@@ -592,9 +592,10 @@ current_lock_owner (lock_info_type *owner, char *lfname)
     return -1;
 
   /* On current host?  */
-  if (STRINGP (Vsystem_name)
-      && dot - (at + 1) == SBYTES (Vsystem_name)
-      && memcmp (at + 1, SSDATA (Vsystem_name), SBYTES (Vsystem_name)) == 0)
+  Lisp_Object system_name = Fsystem_name ();
+  if (STRINGP (system_name)
+      && dot - (at + 1) == SBYTES (system_name)
+      && memcmp (at + 1, SSDATA (system_name), SBYTES (system_name)) == 0)
     {
       if (pid == getpid ())
         ret = 2; /* We own it.  */