diff --git a/tests/xcb-client-helper.c b/tests/xcb-client-helper.c
index a2845c5f..f8f649e3 100644
--- a/tests/xcb-client-helper.c
+++ b/tests/xcb-client-helper.c
@@ -45,7 +45,7 @@
 #include <libweston/zalloc.h>
 #include "xcb-client-helper.h"
 
-//#define DEBUG
+#define DEBUG
 
 #ifdef DEBUG
 #define printfd(fmt, args...) do {	\
diff --git a/tests/xwayland-test.c b/tests/xwayland-test.c
index 9fb30512..b8514af6 100644
--- a/tests/xwayland-test.c
+++ b/tests/xwayland-test.c
@@ -56,7 +56,7 @@ fixture_setup(struct weston_test_harness *harness)
 	compositor_setup_defaults(&setup);
 	setup.shell = SHELL_TEST_DESKTOP;
 	setup.xwayland = true;
-	/* setup.logging_scopes = "xwm-wm-x11"; */
+	setup.logging_scopes = "xwm-wm-x11";
 
 	return weston_test_harness_execute_as_client(harness, &setup);
 }