diff --git a/src/tests/end2end/VertexInputTests.cpp b/src/tests/end2end/VertexInputTests.cpp
index e6b1e4a..7fa02e5 100644
--- a/src/tests/end2end/VertexInputTests.cpp
+++ b/src/tests/end2end/VertexInputTests.cpp
@@ -534,6 +534,7 @@
             #version 450
             void main() {
                 gl_Position = vec4(0.0f, 0.0f, 0.0f, 1.0f);
+                gl_PointSize = 1.0;
             })");
 
     dawn::ShaderModule fsModule =