@@ -341,10 +341,13 @@
 {
 	[OFRunLoop of_addAsyncReceiveForUDPSocket: self
 					   buffer: buffer
 					   length: length
 					     mode: runLoopMode
+# ifdef OF_HAVE_BLOCKS
+					    block: NULL
+# endif
 					 delegate: _delegate];
 }
 
 #ifdef OF_HAVE_BLOCKS
 - (void)asyncReceiveIntoBuffer: (void *)buffer
@@ -364,11 +367,12 @@
 {
 	[OFRunLoop of_addAsyncReceiveForUDPSocket: self
 					   buffer: buffer
 					   length: length
 					     mode: runLoopMode
-					    block: block];
+					    block: block
+					 delegate: nil];
 }
 #endif
 
 - (void)sendBuffer: (const void *)buffer
 	    length: (size_t)length
@@ -430,10 +434,13 @@
 	[OFRunLoop of_addAsyncSendForUDPSocket: self
 					buffer: buffer
 					length: length
 				      receiver: receiver
 					  mode: runLoopMode
+# ifdef OF_HAVE_BLOCKS
+					 block: NULL
+# endif
 				      delegate: _delegate];
 }
 
 #ifdef OF_HAVE_BLOCKS
 - (void)asyncSendBuffer: (const void *)buffer
@@ -457,11 +464,12 @@
 	[OFRunLoop of_addAsyncSendForUDPSocket: self
 					buffer: buffer
 					length: length
 				      receiver: receiver
 					  mode: runLoopMode
-					 block: block];
+					 block: block
+				      delegate: nil];
 }
 #endif
 
 - (void)cancelAsyncRequests
 {