diff --git a/geom/aabb.hpp b/geom/aabb.hpp
index b37ca6ab..40671808 100644
--- a/geom/aabb.hpp
+++ b/geom/aabb.hpp
@@ -70,7 +70,7 @@ namespace cruft::geom {
         {
             point<S,T> res;
             for (std::size_t i = 0; i < S; ++i)
-                res[i] = (lo[i] + hi[i] / 2);
+                res[i] = (lo[i] + hi[i]) / 2;
             return res;
         }