diff --git a/deps/glutils/include/glutils/glutils.hpp b/deps/glutils/include/glutils/glutils.hpp
index da55cfa4..bbeac254 100644
--- a/deps/glutils/include/glutils/glutils.hpp
+++ b/deps/glutils/include/glutils/glutils.hpp
@@ -164,6 +164,7 @@ struct ProgramSource {
 		}
 		return len;
 	}();
+	GLsizei const vboLen = rowLen * 4;
 	ox::String const vertShader{};
 	ox::String const fragShader{};
 	ox::String const geomShader{};