diff --git a/headers/os/app/Message.h b/headers/os/app/Message.h
index 3b0feb073d..2dd19e277f 100644
--- a/headers/os/app/Message.h
+++ b/headers/os/app/Message.h
@@ -216,8 +216,8 @@ class BMessage {
 		status_t		ReplaceData(const char *name, type_code type, int32 index,
 							const void *data, ssize_t numBytes);
 
-		// Compareing data (only) - Haiku experimental API
-		bool			CompareData(const BMessage &other,
+		// Comparing data - Haiku experimental API
+		bool			HasSameData(const BMessage &other,
 							bool ignoreFieldOrder = true, bool deep = false) const;
 
 		void			*operator new(size_t size);
diff --git a/src/kits/app/Message.cpp b/src/kits/app/Message.cpp
index fe807d0556..993bf8fc4e 100644
--- a/src/kits/app/Message.cpp
+++ b/src/kits/app/Message.cpp
@@ -221,7 +221,7 @@ BMessage::operator delete(void *pointer, size_t size)
 
 
 bool
-BMessage::CompareData(const BMessage &other, bool ignoreFieldOrder,
+BMessage::HasSameData(const BMessage &other, bool ignoreFieldOrder,
 	bool deep) const
 {
 	if (this == &other)