diff --git a/server/modules/include/blr.h b/server/modules/include/blr.h
index 662a3d779..62cda59a3 100644
--- a/server/modules/include/blr.h
+++ b/server/modules/include/blr.h
@@ -158,7 +158,7 @@ typedef struct router_slave {
 #endif
 	DCB		*dcb;		/*< The slave server DCB */
 	int		state;		/*< The state of this slave */
-	int		binlog_pos;	/*< Binlog position for this slave */
+	uint32_t	binlog_pos;	/*< Binlog position for this slave */
 	char		binlogfile[BINLOG_FNAMELEN+1];
 					/*< Current binlog file for this slave */
 	char		*uuid;		/*< Slave UUID */
diff --git a/server/modules/routing/binlog/blr_slave.c b/server/modules/routing/binlog/blr_slave.c
index 37a348355..43226b201 100644
--- a/server/modules/routing/binlog/blr_slave.c
+++ b/server/modules/routing/binlog/blr_slave.c
@@ -1201,7 +1201,7 @@ uint32_t	chksum;
        	LOGIF(LD, (skygw_log_write(
 		LOGFILE_DEBUG,
 		"%s: COM_BINLOG_DUMP: binlog name '%s', length %d, "
-		"from position %d.", router->service->name,
+		"from position %lu.", router->service->name,
 			slave->binlogfile, binlognamelen, 
 			slave->binlog_pos)));
 
@@ -1529,7 +1529,7 @@ if (hkheartbeat - beat1 > 1) LOGIF(LE, (skygw_log_write(
 			if (slave->stats.n_caughtup == 1)
 			{
 				LOGIF(LM, (skygw_log_write(LOGFILE_MESSAGE,
-					"%s: Slave %s is up to date %s, %u.",
+					"%s: Slave %s is up to date %s, %lu.",
 					router->service->name,
 					slave->dcb->remote,
 					slave->binlogfile, slave->binlog_pos)));
@@ -1537,7 +1537,7 @@ if (hkheartbeat - beat1 > 1) LOGIF(LE, (skygw_log_write(
 			else if ((slave->stats.n_caughtup % 50) == 0)
 			{
 				LOGIF(LM, (skygw_log_write(LOGFILE_MESSAGE,
-					"%s: Slave %s is up to date %s, %u.",
+					"%s: Slave %s is up to date %s, %lu.",
 					router->service->name,
 					slave->dcb->remote,
 					slave->binlogfile, slave->binlog_pos)));
@@ -1561,7 +1561,7 @@ if (hkheartbeat - beat1 > 1) LOGIF(LE, (skygw_log_write(
 			 * we ignore these issues during the rotate processing.
 			 */
 			LOGIF(LE, (skygw_log_write(LOGFILE_ERROR,
-				"Slave reached end of file for binlog file %s at %u "
+				"Slave reached end of file for binlog file %s at %lu "
 				"which is not the file currently being downloaded. "
 				"Master binlog is %s, %lu. This may be caused by a "
 				"previous failure of the master.",