Index: src/OFCountedSet.m
==================================================================
--- src/OFCountedSet.m
+++ src/OFCountedSet.m
@@ -59,17 +59,18 @@
 }
 
 - initWithObject: (id)firstObject
        arguments: (va_list)arguments
 {
-	return [[OFCountedSet_hashtable alloc] initWithObject: firstObject
-						    arguments: arguments];
+	return (id)[[OFCountedSet_hashtable alloc] initWithObject: firstObject
+							arguments: arguments];
 }
 
 - initWithSerialization: (OFXMLElement*)element
 {
-	return [[OFCountedSet_hashtable alloc] initWithSerialization: element];
+	return (id)[[OFCountedSet_hashtable alloc]
+	    initWithSerialization: element];
 }
 
 - retain
 {
 	return self;

Index: src/OFMutableSet.m
==================================================================
--- src/OFMutableSet.m
+++ src/OFMutableSet.m
@@ -58,17 +58,18 @@
 }
 
 - initWithObject: (id)firstObject
        arguments: (va_list)arguments
 {
-	return [[OFMutableSet_hashtable alloc] initWithObject: firstObject
-						    arguments: arguments];
+	return (id)[[OFMutableSet_hashtable alloc] initWithObject: firstObject
+							arguments: arguments];
 }
 
 - initWithSerialization: (OFXMLElement*)element
 {
-	return [[OFMutableSet_hashtable alloc] initWithSerialization: element];
+	return (id)[[OFMutableSet_hashtable alloc]
+	    initWithSerialization: element];
 }
 
 - retain
 {
 	return self;

Index: src/OFSet.m
==================================================================
--- src/OFSet.m
+++ src/OFSet.m
@@ -58,17 +58,17 @@
 }
 
 - initWithObject: (id)firstObject
        arguments: (va_list)arguments
 {
-	return [[OFSet_hashtable alloc] initWithObject: firstObject
-					     arguments: arguments];
+	return (id)[[OFSet_hashtable alloc] initWithObject: firstObject
+						 arguments: arguments];
 }
 
 - initWithSerialization: (OFXMLElement*)element
 {
-	return [[OFSet_hashtable alloc] initWithSerialization: element];
+	return (id)[[OFSet_hashtable alloc] initWithSerialization: element];
 }
 
 - retain
 {
 	return self;