diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7cb20f4..3a0887b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,8 @@
 All notable changes to this project will be documented in this file. This change log follows the conventions of [keepachangelog.com](http://keepachangelog.com/).
 
 ## [Unreleased]
+### Fixed
+- Invalid implementation of serialize-into for primitive types
 
 ## [0.1.192] - 2021-09-30
 ### Added
diff --git a/src/clj/coffi/mem.clj b/src/clj/coffi/mem.clj
index 69118f6..1aa6dcb 100644
--- a/src/clj/coffi/mem.clj
+++ b/src/clj/coffi/mem.clj
@@ -352,7 +352,7 @@
 (defmethod serialize-into :default
   [obj type segment scope]
   (if-some [prim-layout (primitive-type type)]
-    (with-acquired [(segment-scope scope) scope]
+    (with-acquired [(segment-scope segment) scope]
       (serialize-into (serialize* obj type scope) prim-layout segment scope))
     (throw (ex-info "Attempted to serialize an object to a type that has not been overriden"
                     {:type type