diff --git a/cmake/mariadb_connector_c.cmake b/cmake/mariadb_connector_c.cmake
index 81abe0e5d45..400fcda0c1a 100644
--- a/cmake/mariadb_connector_c.cmake
+++ b/cmake/mariadb_connector_c.cmake
@@ -48,6 +48,7 @@ ELSE()
 ENDIF()
 
 SET(PLUGIN_INSTALL_DIR ${INSTALL_PLUGINDIR})
+SET(MARIADB_UNIX_ADDR ${MYSQL_UNIX_ADDR})
 
 MESSAGE("== Configuring MariaDB Connector/C")
 ADD_SUBDIRECTORY(libmariadb)