diff --git a/contrib/src/fl/makefile.b32 b/contrib/src/fl/makefile.b32
index 18b8f8a83e..7ec189137c 100644
--- a/contrib/src/fl/makefile.b32
+++ b/contrib/src/fl/makefile.b32
@@ -8,19 +8,19 @@
 # Makefile for wxWindows FrameLayout library (32-bit BC++)
 # Use FINAL=1 argument to nmake to build final version with no debug info.
 
-WXDIR = ../../..
+WXDIR = ..\..\..
 LIB_NAME = fl
 OBJ_EXT	= obj
 
 !include files.lst
 
 !if "$(FINAL)" == "1"
-LIBTARGET=$(WXDIR)/lib/$(LIB_NAME).lib
+LIBTARGET=$(WXDIR)\lib\$(LIB_NAME).lib
 !else
-LIBTARGET=$(WXDIR)/lib/$(LIB_NAME)d.lib
+LIBTARGET=$(WXDIR)\lib\$(LIB_NAME)d.lib
 !endif
 
 OBJECTS = $(FL_OBJECTS)
 
-!include $(WXDIR)/src/makelib.b32
+!include $(WXDIR)\src\makelib.b32