diff --git a/.gitmodules b/.gitmodules
index dfcbea536..a103059aa 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -5,7 +5,7 @@
 [submodule "test/data-visual"]
 	path = test/data-visual
 	url = https://github.com/mapnik/test-data-visual.git
-	branch = master
+	branch = 3.0.x
 [submodule "deps/mapbox/variant"]
 	path = deps/mapbox/variant
 	url = https://github.com/mapbox/variant.git