Index: src/runtime/autorelease.m
==================================================================
--- src/runtime/autorelease.m
+++ src/runtime/autorelease.m
@@ -103,10 +103,11 @@
 		if (!of_tlskey_set(sizeKey, (void*)(uintptr_t)of_pagesize))
 			ERROR("Failed to set TLS key!")
 #endif
 
 		top = objects;
+		size = of_pagesize;
 	}
 
 	if ((uintptr_t)top >= (uintptr_t)objects + size) {
 		ptrdiff_t diff = top - objects;