diff --git a/uppsrc/Oracle/OraCommon.cpp b/uppsrc/Oracle/OraCommon.cpp
index 8e0d8ac10..dfedc3747 100644
--- a/uppsrc/Oracle/OraCommon.cpp
+++ b/uppsrc/Oracle/OraCommon.cpp
@@ -534,7 +534,8 @@ Vector<String> OracleSchemaReservedWords()
 
 Sql::ERRORCLASS OciErrorClass(int errcode)
 {
-	return errcode == 3111 || errcode == 3113 || errcode == 3114 ? Sql::CONNECTION_BROKEN
+	return errcode == 3111 || errcode == 3113 || errcode == 3114 || errcode == 12571
+	? Sql::CONNECTION_BROKEN
 	: Sql::ERROR_UNSPECIFIED;
 }