diff --git a/mysql-test/r/mysqlbinlog.result b/mysql-test/r/mysqlbinlog.result
index 75ed9e06437..2ded167e6bd 100644
--- a/mysql-test/r/mysqlbinlog.result
+++ b/mysql-test/r/mysqlbinlog.result
@@ -411,6 +411,16 @@ drop table t1;
 1
 drop table t1;
 shell> mysqlbinlog std_data/corrupt-relay-bin.000624 > var/tmp/bug31793.sql
+set @@global.server_id= 4294967295;
+reset master;
+select
+(@a:=load_file("MYSQLTEST_VARDIR/tmp/mysqlbinlog_bug37313.binlog"))
+is not null;
+(@a:=load_file("MYSQLTEST_VARDIR/tmp/mysqlbinlog_bug37313.binlog"))
+is not null
+1
+*** Unsigned server_id 4294967295 is found: 1 ***
+set @@global.server_id= 1;
 End of 5.0 tests
 flush logs;
 BUG#31611: Security risk with BINLOG statement
diff --git a/mysql-test/t/mysqlbinlog.test b/mysql-test/t/mysqlbinlog.test
index 0f8894d6849..96965ba1793 100644
--- a/mysql-test/t/mysqlbinlog.test
+++ b/mysql-test/t/mysqlbinlog.test
@@ -278,6 +278,26 @@ echo shell> mysqlbinlog std_data/corrupt-relay-bin.000624 > var/tmp/bug31793.sql
 error 1;
 exec $MYSQL_BINLOG $MYSQL_TEST_DIR/std_data/corrupt-relay-bin.000624 > $MYSQLTEST_VARDIR/tmp/bug31793.sql;
 
+#
+# Bug #37313  	BINLOG Contains Incorrect server id
+#
+
+let $save_server_id= `select @@global.server_id`;
+let $s_id_max=`select (1 << 32) - 1`;
+eval set @@global.server_id= $s_id_max;
+
+reset master;
+--exec $MYSQL_BINLOG $MYSQLTEST_VARDIR/log/master-bin.000001 > $MYSQLTEST_VARDIR/tmp/mysqlbinlog_bug37313.binlog
+--replace_result $MYSQLTEST_VARDIR MYSQLTEST_VARDIR
+eval select
+(@a:=load_file("$MYSQLTEST_VARDIR/tmp/mysqlbinlog_bug37313.binlog"))
+is not null;
+let $s_id_unsigned= `select @a like "%server id $s_id_max%" /* must return 1 */`;
+echo *** Unsigned server_id $s_id_max is found: $s_id_unsigned ***;
+
+eval set @@global.server_id= $save_server_id;
+--remove_file $MYSQLTEST_VARDIR/tmp/mysqlbinlog_bug37313.binlog
+
 --echo End of 5.0 tests
 
 #
diff --git a/sql/log_event.cc b/sql/log_event.cc
index 243790c7d76..d1d29ed5b8e 100644
--- a/sql/log_event.cc
+++ b/sql/log_event.cc
@@ -1258,7 +1258,7 @@ void Log_event::print_header(IO_CACHE* file,
 
   my_b_printf(file, "#");
   print_timestamp(file);
-  my_b_printf(file, " server id %d  end_log_pos %s ", server_id,
+  my_b_printf(file, " server id %lu  end_log_pos %s ", server_id,
               llstr(log_pos,llbuff));
 
   /* mysqlbinlog --hexdump */