diff --git a/foreign/c/primitives/kawa.scm b/foreign/c/primitives/kawa.scm
index 19a62aa..f9f120c 100644
--- a/foreign/c/primitives/kawa.scm
+++ b/foreign/c/primitives/kawa.scm
@@ -156,7 +156,7 @@
     (invoke pointer 'equals null-pointer)))
 
 (define u8-value-layout
-  (invoke (static-field java.lang.foreign.ValueLayout 'JAVA_BYTE)
+  (invoke (static-field java.lang.foreign.ValueLayout 'JAVA_INT)
           'withByteAlignment
           1))