diff --git a/rfb/SFTMsgReader.h b/rfb/SFTMsgReader.h
index dff06a4..32ac869 100644
--- a/rfb/SFTMsgReader.h
+++ b/rfb/SFTMsgReader.h
@@ -46,7 +46,7 @@
     bool readFileUploadRqst(unsigned int *pFilenameSize, char *pFilename, 
                             unsigned int *pPosition);
     
-    void *readFileUploadData(unsigned int *pDataSize, unsigned int *pModTime);
+    char *readFileUploadData(unsigned int *pDataSize, unsigned int *pModTime);
 
     
     bool readFileCreateDirRqst(unsigned int *pDirNameSize, char *pDirName);