diff --git a/winbuild/nmake.opt b/winbuild/nmake.opt
index 28aab3479..16acabc26 100644
--- a/winbuild/nmake.opt
+++ b/winbuild/nmake.opt
@@ -55,18 +55,16 @@ LOGLUV_SUPPORT	= 1
 # Uncomment and edit following lines to enable JPEG support.
 #
 JPEG_SUPPORT	= 1
-JPEGDIR 	= $(BUILD)\jpeg-9c
-JPEG_INCLUDE	= -I$(JPEGDIR)
-JPEG_LIB 	= $(JPEGDIR)/libjpeg.lib
+JPEG_INCLUDE	= -I$(INCLIB)
+JPEG_LIB 	= $(INCLIB)/libjpeg.lib
 
 #
 # Uncomment and edit following lines to enable ZIP support
 # (required for Deflate compression and Pixar log-format)
 #
 ZIP_SUPPORT	= 1
-ZLIBDIR 	= $(BUILD)\zlib-1.2.8
-ZLIB_INCLUDE	= -I$(ZLIBDIR)
-ZLIB_LIB 	= $(ZLIBDIR)/zlib.lib
+ZLIB_INCLUDE	= -I$(INCLIB)
+ZLIB_LIB 	= $(INCLIB)/zlib.lib
 
 #
 # Uncomment and edit following lines to enable ISO JBIG support