Index: src/OFObject.m
==================================================================
--- src/OFObject.m
+++ src/OFObject.m
@@ -281,11 +281,12 @@
 #endif
 
 #if defined(OF_OBJFW_RUNTIME)
 	objc_forward_handler = forward_handler;
 	objc_forward_handler_stret = forward_handler_stret;
-#elif defined(OF_APPLE_RUNTIME) && defined(HAVE_FORWARDING_TARGET_FOR_SELECTOR)
+#elif defined(OF_APPLE_RUNTIME) && \
+    defined(OF_HAVE_FORWARDING_TARGET_FOR_SELECTOR)
 	objc_setForwardHandler(of_forward, of_forward_stret);
 #endif
 
 #ifdef HAVE_OBJC_ENUMERATIONMUTATION
 	objc_setEnumerationMutationHandler(enumeration_mutation_handler);