diff --git a/glib/gkeyfile.c b/glib/gkeyfile.c
index 229f38784..761a4141f 100644
--- a/glib/gkeyfile.c
+++ b/glib/gkeyfile.c
@@ -1396,7 +1396,7 @@ g_key_file_parse_key_value_pair (GKeyFile     *key_file,
   while (g_ascii_isspace (*value_start))
     value_start++;
 
-  value_len = line + length - value_start + 1;
+  value_len = line + length - value_start;
 
   value = g_strndup (value_start, value_len);