diff --git a/src/filelock.c b/src/filelock.c
index a2e1df9..bcc2e03 100644
--- a/src/filelock.c
+++ b/src/filelock.c
@@ -450,7 +450,7 @@ lock_file_1 (char *lfname, bool force)
     {
       if (sizeof lock_info_str
           <= snprintf (lock_info_str, sizeof lock_info_str,
-                       "%s@%s.%"pMd":%"pMd,
+                       "%s@%s.%"pMd",%"pMd,
                        user_name, host_name, pid, boot))
         return ENAMETOOLONG;
     }
@@ -564,7 +564,7 @@ current_lock_owner (lock_info_type *owner, char *lfname)
       lfinfo_end = owner->colon;
       break;
 
-    case ':':
+    case ',':
       if (! c_isdigit (owner->colon[1]))
 	return -1;
       boot_time = strtoimax (owner->colon + 1, &lfinfo_end, 10);