Index: src/OFMapTable.m
==================================================================
--- src/OFMapTable.m
+++ src/OFMapTable.m
@@ -26,11 +26,11 @@
 
 #import "OFEnumerationMutationException.h"
 #import "OFInvalidArgumentException.h"
 #import "OFOutOfRangeException.h"
 
-extern uint32_t OFHashSeed;
+extern unsigned long OFHashSeed;
 
 static const uint32_t minCapacity = 16;
 
 struct OFMapTableBucket {
 	void *key, *object;