@@ -41,10 +41,10 @@
 		size_t bufferLength;
 	} *_iVars;
 @private
 	bool _allowsSwappableMemory;
 	bool _calculated;
-	OF_RESERVE_IVARS(4)
+	OF_RESERVE_IVARS(OFSHA224Or256Hash, 4)
 }
 @end
 
 OF_ASSUME_NONNULL_END