diff --git a/src/init.c b/src/init.c
index 24a2f5d4..49a64584 100644
--- a/src/init.c
+++ b/src/init.c
@@ -2140,11 +2140,11 @@ int Load_CFG(int reload_all)
 
   GFX2_Log(GFX2_DEBUG, "Load_CFG() trying to load %s\n", filename);
 
-  file_size=File_length(filename);
-
   if ((Handle=fopen(filename,"rb"))==NULL)
     return ERROR_CFG_MISSING;
 
+  file_size=File_length_file(Handle);
+
   if ( (file_size<7)
     || (!Read_bytes(Handle, &cfg_header.Signature, 3))
     || memcmp(cfg_header.Signature,"CFG",3)