diff --git a/idl_tool_2/codegen/SA/cpp/sa_cpp_interface_code_emitter.cpp b/idl_tool_2/codegen/SA/cpp/sa_cpp_interface_code_emitter.cpp
index 7ed8f22ee25ce56ef7086c6269dd3d216dfe2ecc..86737f3a5b41226811c23407c0c3a2814e566540 100644
--- a/idl_tool_2/codegen/SA/cpp/sa_cpp_interface_code_emitter.cpp
+++ b/idl_tool_2/codegen/SA/cpp/sa_cpp_interface_code_emitter.cpp
@@ -189,7 +189,13 @@ void SaCppInterfaceCodeEmitter::EmitInterfaceDefinition(StringBuilder &sb)
     EmitBeginNamespace(sb);
     EmitImportUsingNamespace(sb);
     EmitInterfaceMethodCommands(sb, TAB);
-    sb.AppendFormat("class %s : public IRemoteBroker {\n", interface_->GetName().c_str());
+    auto extendsInterface = interface_->GetExtendsInterface();
+    if (extendsInterface != nullptr) {
+        auto fullName = CppFullName(extendsInterface->GetName());
+        sb.AppendFormat("class %s : public %s {\n", interface_->GetName().c_str(), fullName.c_str());
+    } else {
+        sb.AppendFormat("class %s : public IRemoteBroker {\n", interface_->GetName().c_str());
+    }
     sb.Append("public:\n");
     EmitInterfaceBody(sb, TAB);
     EmitInterfaceMemberVariables(sb, TAB);
diff --git a/idl_tool_2/parser/parser.cpp b/idl_tool_2/parser/parser.cpp
index 6244c03661fb68147528c614c179f9e875399df0..ab4311a21cde2c68c3e0a7e5a71b18c7d11b4320 100644
--- a/idl_tool_2/parser/parser.cpp
+++ b/idl_tool_2/parser/parser.cpp
@@ -2358,6 +2358,12 @@ void Parser::ParseExtendsInfo(AutoPtr<ASTInterfaceType> &interfaceType)
         LogError(__func__, __LINE__, token, std::string("extends interface name is empty"));
         return;
     }
+    if (Options::GetInstance().GetInterfaceType() == InterfaceType::SA) {
+        AutoPtr<ASTInterfaceType> extendsInterface = new ASTInterfaceType;
+        extendsInterface->SetName(extendsInterfaceName);
+        interfaceType->AddExtendsInterface(extendsInterface);
+        return;
+    }
     if (!CheckImport(token)) {
         LogError(__func__, __LINE__, token, std::string("extends interface name is illegal"));
         return;