diff --git a/Response.h b/Response.h
index 4ccbdb3..5cf66d1 100755
--- a/Response.h
+++ b/Response.h
@@ -60,7 +60,7 @@ namespace OTF {
     void writeBodyChunk(const __FlashStringHelper *const format, ...);
 
     void writeBodyData(const char *data, size_t max_length);
-    void writeBodyData(const __FlashStringHelper *const data);
+    void writeBodyData(const __FlashStringHelper *const data, size_t max_length);
   };
 }// namespace OTF
 #endif