diff --git a/core/Makefile b/core/Makefile
index ddfd293b2..2ba75ed5e 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -15,7 +15,7 @@
 # Copyright SkySQL Ab 2013
 
 CC=cc
-CFLAGS=-c -I../include
+CFLAGS=-c -I/usr/include -I../include
 SRCS= atomic.c buffer.c spinlock.c gateway.c gateway_mysql_protocol.c gw_utils.c utils.c
 OBJ=$(SRCS:.c=.o)
 LIBS=-lssl
diff --git a/include/dcb.h b/include/dcb.h
index 8a5c11cbb..4e4257e77 100644
--- a/include/dcb.h
+++ b/include/dcb.h
@@ -55,7 +55,7 @@ typedef struct gw_protocol {
 	int		(*error)(struct dcb *, int);
 	int		(*hangup)(struct dcb *, int);
 	int		(*accept)(struct dcb *, int);
-	int		(*close)(struct dcb *);
+	int		(*close)(struct dcb *, int);
 } GWPROTOCOL;
 
 /*