diff --git a/src/zmapWindow/Makefile.am b/src/zmapWindow/Makefile.am
index 9fb63a16e8c6f87d37f980c12d0c9abcceffeb27..0e1667e183a468c8b548a0759d7d95f8fb2926da 100755
--- a/src/zmapWindow/Makefile.am
+++ b/src/zmapWindow/Makefile.am
@@ -65,4 +65,4 @@ zmapWindowTextPositioner.h \
 zmapWindowItemFeatureSet.h \
 zmapWindowDNAList.h 
 
-libZMapWindow_la_CFLAGS = $(INCLUDE_COMMON) -I$(top_srcdir)/zmapUtils
+libZMapWindow_la_CFLAGS = $(INCLUDE_COMMON) -I$(top_srcdir)/zmapUtils -I$(top_srcdir)/zmapWindow/items