--- a/tests/Makefile.am	2016-08-31 19:46:36.048141923 +0200
+++ b/tests/Makefile.am	2016-08-31 19:48:42.164815897 +0200
@@ -22,9 +22,7 @@
 	-DG_LOG_DOMAIN=\"libxfce4ui-tests\"
 
 noinst_PROGRAMS =					\
-	test-ui-gtk2					\
-	test-ui-gtk3
-
+	test-ui-gtk2
 
 # test-ui-gtk2
 test_ui_gtk2_SOURCES =				\
@@ -48,6 +46,10 @@
 	$(top_builddir)/libxfce4ui/libxfce4ui-1.la
 
 # test-ui-gtk3
+if ENABLE_GTK3_LIBRARY
+noinst_PROGRAMS +=					\
+	test-ui-gtk3
+
 test_ui_gtk3_SOURCES =				\
 	test-ui.c
 
@@ -67,3 +69,4 @@
 	$(LIBSTARTUP_NOTIFICATION_LIBS) \
 	$(LIBXFCE4UTIL_LIBS) \
 	$(top_builddir)/libxfce4ui/libxfce4ui-2.la
+endif