diff --git a/include/fggl/data/model.hpp b/include/fggl/data/model.hpp
index 37be1766495f9abf889aa4df77b459aa1068e4dd..ca373091804d0d96c86c2616c6d5785d71c98c9d 100644
--- a/include/fggl/data/model.hpp
+++ b/include/fggl/data/model.hpp
@@ -119,7 +119,7 @@ namespace fggl::data {
 				return m_index.size();
 			}
 
-			inline Vertex &vertex(int idx) {
+			inline Vertex &vertex(uint32_t idx) {
 				return m_verts[idx];
 			}