@@ -24,17 +24,17 @@
 #import "macros.h"
 
 OF_ASSUME_NONNULL_BEGIN
 
 @class OFString;
-@class OFDataArray;
+@class OFMutableData;
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 extern OFString *of_base64_encode(const void *, size_t);
-extern bool of_base64_decode(OFDataArray *, const char *, size_t);
+extern bool of_base64_decode(OFMutableData *, const char *, size_t);
 #ifdef __cplusplus
 }
 #endif
 
 OF_ASSUME_NONNULL_END