--- a/include/jemalloc/internal/jemalloc_internal_inlines_c.h	(working tree)
+++ b/include/jemalloc/internal/jemalloc_internal_inlines_c.h	(index)
@@ -254,8 +254,14 @@ malloc_initialized(void) {
  * fastpath supports ticker and profiling, both of which will also
  * tail-call to the slowpath if they fire.
  */
+#if defined(JEMALLOC_ZONE)
+extern void je_assure_zone_register();
+#endif
 JEMALLOC_ALWAYS_INLINE void *
 imalloc_fastpath(size_t size, void *(fallback_alloc)(size_t)) {
+#if defined(JEMALLOC_ZONE)
+    je_assure_zone_register();
+#endif
 	LOG("core.malloc.entry", "size: %zu", size);
 	if (tsd_get_allocates() && unlikely(!malloc_initialized())) {
 		return fallback_alloc(size);