diff --git a/mozilla/include/xp_mem.h b/mozilla/include/xp_mem.h
index 9c0c83924df..df74269e3f2 100644
--- a/mozilla/include/xp_mem.h
+++ b/mozilla/include/xp_mem.h
@@ -117,7 +117,7 @@ Allocating Large Buffers
 NOTE: this does not interchange with XP_ALLOC/XP_NEW/XP_FREE/XP_DELETE
 -----------------------------------------------------------------------------*/
 
-#if defined(XP_UNIX) || defined(XP_WIN32) 
+#if defined(XP_UNIX) || defined(XP_WIN32) || defined(XP_BEOS)
 
 /* don't typedef this to void* unless you want obscure bugs... */
 typedef unsigned long *	XP_Block;
diff --git a/mozilla/include/xp_path.h b/mozilla/include/xp_path.h
index f307617db0a..ff5c0c24815 100644
--- a/mozilla/include/xp_path.h
+++ b/mozilla/include/xp_path.h
@@ -28,7 +28,7 @@
 #ifndef _XP_PATH_H
 #define _XP_PATH_H
 
-#if defined(XP_UNIX) || defined(XP_MAC)
+#if defined(XP_UNIX) || defined(XP_MAC) || defined(XP_BEOS)
 #define PR_DIRECTORY_SEPARATOR '/'
 #define PR_DIRECTORY_SEPARATOR_STR "/"
 #define PR_PATH_SEPARATOR ':'