diff --git a/include/armadillo_bits/Cube_meat.hpp b/include/armadillo_bits/Cube_meat.hpp
index 62e2c562..66317321 100644
--- a/include/armadillo_bits/Cube_meat.hpp
+++ b/include/armadillo_bits/Cube_meat.hpp
@@ -52,7 +52,7 @@ Cube<eT>::Cube()
   , n_elem(0)
   , n_alloc(0)
   , mem_state(0)
-  , mem()
+  , mem(nullptr)
   {
   arma_debug_sigprint_this(this);
   }