Index: src/OFBlock.h
==================================================================
--- src/OFBlock.h
+++ src/OFBlock.h
@@ -72,10 +72,11 @@
 @interface OFBlock
 {
 	Class isa;
 }
 
++ (Class)class;
 - copy;
 - (void)release;
 - autorelease;
 @end
 

Index: src/OFBlock.m
==================================================================
--- src/OFBlock.m
+++ src/OFBlock.m
@@ -216,10 +216,15 @@
 
 static Class autoreleasepool = Nil;
 
 /// \cond internal
 @implementation OFBlock
++ (Class)class
+{
+	return self;
+}
+
 - copy
 {
 	return Block_copy(self);
 }