diff --git a/src/lib/Makefile.am b/src/lib/Makefile.am
index 10381a864e572c086895efaa4189162f61615f5f..1f43cfe5dbd4a57c546729649785b89ce7976217 100755
--- a/src/lib/Makefile.am
+++ b/src/lib/Makefile.am
@@ -119,6 +119,7 @@ libZMap_a_SOURCES = $(top_srcdir)/zmapConfig/zmapConfig.c \
 	$(top_srcdir)/zmapWindow/zmapWindowNavigatorWidget.c \
 	$(top_srcdir)/zmapWindow/zmapWindowPrint.c \
 	$(top_srcdir)/zmapWindow/zmapWindowRuler.c \
+	$(top_srcdir)/zmapWindow/zmapWindowStats.c \
 	$(top_srcdir)/zmapWindow/zmapWindowContainer.c \
 	$(top_srcdir)/zmapWindow/zmapWindowContainer.h \
 	$(top_srcdir)/zmapWindow/zmapWindowZoomControl.c \