diff --git a/xtrn/sdk/xsdk.h b/xtrn/sdk/xsdk.h
index 9dddfd7ba010217786557384159c2749f98eafb2..1a2ee2db74478cbf8e7c24c06ea557c29e9d1822 100644
--- a/xtrn/sdk/xsdk.h
+++ b/xtrn/sdk/xsdk.h
@@ -74,7 +74,7 @@
 #ifdef USE_XPDEV
 #include "semwrap.h"
 #include "filewrap.h"
-#define	BACKSLAH	PATH_DELIM
+#define	BACKSLASH	PATH_DELIM
 #endif
 
 #define GLOBAL extern	/* turns XSDKVARS.C into a header file */