diff --git a/include/jemalloc/internal/pa.h b/include/jemalloc/internal/pa.h
index fb017f65..3010a3be 100644
--- a/include/jemalloc/internal/pa.h
+++ b/include/jemalloc/internal/pa.h
@@ -91,9 +91,6 @@ struct pa_shard_s {
 	 */
 	bool ever_used_hpa;
 
-	/* Allocates from a PAC. */
-	pac_t pac;
-
 	hpa_shard_t hpa;
 
 	/* The source of edata_t objects. */
@@ -109,6 +106,9 @@ struct pa_shard_s {
 
 	/* The base from which we get the ehooks and allocate metadat. */
 	base_t *base;
+
+	/* Allocates from a PAC. */
+	pac_t pac;
 };
 
 static inline bool