diff --git a/include/cglm-cam.h b/include/cglm-cam.h
index 58403cd..6df1b20 100644
--- a/include/cglm-cam.h
+++ b/include/cglm-cam.h
@@ -18,7 +18,7 @@ glm_lookat(vec3 eye,
            mat4 dest) {
   vec3 f, u, s;
 
-  glm_vec_sub3(center, eye, f);
+  glm_vec_sub(center, eye, f);
   glm_vec_normalize_self(f);
 
   glm_vec_cross(f, up, s);