diff --git a/src/clj/coffi/ffi.clj b/src/clj/coffi/ffi.clj
index 730908d..3d35d01 100644
--- a/src/clj/coffi/ffi.clj
+++ b/src/clj/coffi/ffi.clj
@@ -292,7 +292,7 @@
 
                  ;; cast null pointers to something understood by panama
                  (#{::mem/pointer} type)
-                 `(or ~sym (MemoryAddress/NULL))
+                 `(or ~sym (MemorySegment/NULL))
 
                  (mem/primitive-type type)
                  `(mem/serialize* ~sym ~type-sym ~session)