diff --git a/ruamoko/lib/AutoreleasePool.r b/ruamoko/lib/AutoreleasePool.r
index a787811b0..36883db07 100644
--- a/ruamoko/lib/AutoreleasePool.r
+++ b/ruamoko/lib/AutoreleasePool.r
@@ -38,11 +38,13 @@
 - (id) retain
 {
 	[self error: "Don't send -retain to an autorelease pool."];
+	return self;
 }
 
 - (id) autorelease
 {
 	[self error: "Don't send -autorelease to an autorelease pool."];
+	return self;
 }
 
 - (void) dealloc