diff --git a/config.b b/config.b
index d9f13aa..7d87aa0 100644
--- a/config.b
+++ b/config.b
@@ -109,8 +109,8 @@ set XCPU=86
 :- set XCPU=186
 :- set XCPU=386
 
-set XFAT=16
-:- set XFAT=32
+:- set XFAT=16
+set XFAT=32
 
 :- Give extra compiler DEFINE flags here
 :- such as -DDEBUG : extra DEBUG output
diff --git a/config.m b/config.m
index 994a8ec..0c0721f 100644
--- a/config.m
+++ b/config.m
@@ -56,8 +56,8 @@ XCPU=86
 # XCPU=186
 # XCPU=386
 
-XFAT=16
-# XFAT=32
+# XFAT=16
+XFAT=32
 
 # Give extra compiler DEFINE flags here
 # such as -DDEBUG : extra DEBUG output