diff --git a/x11-libs/gtk3/gtk3-3.24.30.recipe b/x11-libs/gtk3/gtk3-3.24.30.recipe
index 48c030d67..46afbd659 100644
--- a/x11-libs/gtk3/gtk3-3.24.30.recipe
+++ b/x11-libs/gtk3/gtk3-3.24.30.recipe
@@ -101,6 +101,7 @@ BUILD()
 		--disable-gtk-doc --with-included-immodules=xim
 
 	# build once, this will fail
+	make -C testsuite clean
 	make $jobArgs || true
 
 	# patch disable some things in typefuncs.inc