diff --git a/source/sqlsrv/util.cpp b/source/sqlsrv/util.cpp
index a274e2254..2c73da9a9 100644
--- a/source/sqlsrv/util.cpp
+++ b/source/sqlsrv/util.cpp
@@ -680,6 +680,8 @@ PHP_FUNCTION( sqlsrv_get_config )
 
 namespace {
 
+// Workaround for name collision problem between the SQLSRV and PDO_SQLSRV drivers on Mac
+// Place get_error_message into the anonymous namespace in util.cpp
 sqlsrv_error_const* get_error_message( unsigned int sqlsrv_error_code ) {
 
 	sqlsrv_error_const *error_message = NULL;