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diff --git a/src/compiler/cpp_generator.cc b/src/compiler/cpp_generator.cc
index 9b8ec0f..3baa5f3 100644
--- a/src/compiler/cpp_generator.cc
+++ b/src/compiler/cpp_generator.cc
@@ -1972,6 +1972,7 @@ void PrintSourceService(grpc_generator::Printer* printer,
printer->Print(*vars, "};\n\n");
}
+ (*vars)["OptionsVariableName"] = service->method_count() ? "options" : "";
printer->Print(*vars,
"std::unique_ptr< $ns$$Service$::Stub> $ns$$Service$::NewStub("
"const std::shared_ptr< ::grpc::ChannelInterface>& channel, "
@@ -1984,7 +1985,7 @@ void PrintSourceService(grpc_generator::Printer* printer,
printer->Print(*vars,
"$ns$$Service$::Stub::Stub(const std::shared_ptr< "
"::grpc::ChannelInterface>& channel, const "
- "::grpc::StubOptions& options)\n");
+ "::grpc::StubOptions& $OptionsVariableName$)\n");
printer->Indent();
printer->Print(": channel_(channel)");
for (int i = 0; i < service->method_count(); ++i) {
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