diff --git a/mozilla/network/main/makefile.win b/mozilla/network/main/makefile.win
index 2e9635bed19..ff93461c5d4 100644
--- a/mozilla/network/main/makefile.win
+++ b/mozilla/network/main/makefile.win
@@ -135,6 +135,7 @@ LINCS=-I$(PUBLIC)\jtools	\
     -I$(PUBLIC)\netcnvts	\
     -I$(PUBLIC)\httpurl		\
     -I$(PUBLIC)\cnetinit	\
+    -I$(PUBLIC)\mimetype	\
     -I$(PUBLIC)\security 
 #!endif