diff --git a/src/gnome-utils/test/Makefile.am b/src/gnome-utils/test/Makefile.am
index b82d4872a6..3cf17a04d9 100644
--- a/src/gnome-utils/test/Makefile.am
+++ b/src/gnome-utils/test/Makefile.am
@@ -47,6 +47,7 @@ INCLUDES= \
   -I${top_srcdir}/src/test-core \
   -I${top_srcdir}/src/libqof/qof \
   ${GLIB_CFLAGS} \
+  ${GTK_CFLAGS} \
   ${GUILE_INCS}
 
 LDADD = \