diff --git a/idlc/prj/build.lst b/idlc/prj/build.lst
index d5e0183bcec9..84f2ee180bcd 100644
--- a/idlc/prj/build.lst
+++ b/idlc/prj/build.lst
@@ -1,4 +1,5 @@
 ic	idlc	:	registry NULL
 ic	idlc					usr1	-	all	ic_mkout NULL
-ic	idlc\source\preproc		nmake	-	all	ic_preproc NULL
-ic	idlc\source				nmake	-	all ic_source NULL
+ic	idlc\inc				nmake	-	all	ic_inc NULL
+ic	idlc\source\preproc		nmake	-	all	ic_preproc ic_inc NULL
+ic	idlc\source				nmake	-	all ic_source ic_inc NULL