diff --git a/testsuite/gsk/compare/empty-glshader.node b/testsuite/gsk/compare/empty-glshader.node
new file mode 100644
index 0000000000..7f739fe61c
--- /dev/null
+++ b/testsuite/gsk/compare/empty-glshader.node
@@ -0,0 +1 @@
+glshader {}
diff --git a/testsuite/gsk/compare/empty-glshader.png b/testsuite/gsk/compare/empty-glshader.png
new file mode 100644
index 0000000000..17b17a56de
Binary files /dev/null and b/testsuite/gsk/compare/empty-glshader.png differ
diff --git a/testsuite/gsk/meson.build b/testsuite/gsk/meson.build
index affa5b62be..ee7fa5e4b1 100644
--- a/testsuite/gsk/meson.build
+++ b/testsuite/gsk/meson.build
@@ -64,6 +64,7 @@ compare_render_tests = [
   'empty-container',
   'empty-cross-fade',
   'empty-debug',
+  'empty-glshader',
   'empty-inset-shadow',
   'empty-linear-gradient',
   'empty-mask',