diff --git a/jmorecfg.h b/jmorecfg.h
index 28c0694..ae2c761 100644
--- a/jmorecfg.h
+++ b/jmorecfg.h
@@ -220,8 +220,10 @@ typedef unsigned int JDIMENSION;
 #ifdef NEED_FAR_POINTERS
 #define FAR  far
 #else
+#ifndef FAR
 #define FAR
 #endif
+#endif
 
 
 /*