diff --git a/lib/mysql_data_stream.cpp b/lib/mysql_data_stream.cpp
index c7498a68a..c48a54ca6 100644
--- a/lib/mysql_data_stream.cpp
+++ b/lib/mysql_data_stream.cpp
@@ -1158,7 +1158,6 @@ void MySQL_Data_Stream::buffer2resultset(unsigned char *ptr, unsigned int size)
 	unsigned char *__ptr=ptr;
 	mysql_hdr hdr;
 	unsigned int l;
-	void *pkt;
 	void *buff = NULL;
 	unsigned int bl;
 	unsigned int bf;
@@ -1184,7 +1183,7 @@ void MySQL_Data_Stream::buffer2resultset(unsigned char *ptr, unsigned int size)
 			buff = malloc(bl);
 			bf = bl;
 		}
-		memcpy(buff + (bl-bf), __ptr, l);
+		memcpy((char *)buff + (bl-bf), __ptr, l);
 		bf -= l;
 		__ptr+=l;
 /*