diff --git a/testsuite/gtk/Makefile.am b/testsuite/gtk/Makefile.am
index 7d65c88f5a..dc587da353 100644
--- a/testsuite/gtk/Makefile.am
+++ b/testsuite/gtk/Makefile.am
@@ -25,7 +25,10 @@ LDADD = \
 
 noinst_PROGRAMS = $(TEST_PROGS)
 
-TESTS_ENVIRONMENT = G_ENABLE_DIAGNOSTIC=0
+TESTS_ENVIRONMENT = \
+	G_ENABLE_DIAGNOSTIC=0 	\
+	GIO_USE_VFS=local 	\
+	GSETTINGS_BACKEND=memory
 
 TEST_PROGS += 			\
 	accel			\