@@ -20,10 +20,11 @@
 #import "OFDNSResourceRecord.h"
 
 OF_ASSUME_NONNULL_BEGIN
 
 @class OFArray OF_GENERIC(ObjectType);
+@class OFDNSResolverQuery;
 @class OFDictionary OF_GENERIC(KeyType, ObjectType);
 @class OFMutableDictionary OF_GENERIC(KeyType, ObjectType);
 @class OFNumber;
 @class OFUDPSocket;
 
@@ -74,11 +75,12 @@
 	bool _usesTCP;
 	OFUDPSocket *_IPv4Socket;
 #ifdef OF_HAVE_IPV6
 	OFUDPSocket *_IPv6Socket;
 #endif
-	OFMutableDictionary OF_GENERIC(OFNumber *, id) *_queries;
+	OFMutableDictionary OF_GENERIC(OFNumber *, OFDNSResolverQuery *)
+	    *_queries;
 }
 
 /*!
  * @brief A dictionary of static hosts.
  *