diff --git a/ogr/ogrsf_frmts/mysql/ogrmysqldatasource.cpp b/ogr/ogrsf_frmts/mysql/ogrmysqldatasource.cpp
index 8733af9..f49d862 100644
--- a/ogr/ogrsf_frmts/mysql/ogrmysqldatasource.cpp
+++ b/ogr/ogrsf_frmts/mysql/ogrmysqldatasource.cpp
@@ -259,7 +259,7 @@ int OGRMySQLDataSource::Open( const char * pszNewName, char** papszOpenOptionsIn
         // Enable automatic reconnection
         // Must be called after mysql_real_connect() on MySQL < 5.0.19
         // and at any point on more recent versions.
-        my_bool reconnect = 1;
+        bool reconnect = 1;
         mysql_options(hConn, MYSQL_OPT_RECONNECT, &reconnect);
     }