diff --git a/src/ox/claw/test/tests.cpp b/src/ox/claw/test/tests.cpp
index a9fb8887d..bf0251b90 100644
--- a/src/ox/claw/test/tests.cpp
+++ b/src/ox/claw/test/tests.cpp
@@ -108,7 +108,7 @@ static std::map<ox::StringView, ox::Error(*)()> tests = {
 		{
 			"ClawHeaderReader",
 			[] {
-				ox::String hdr("O1;com.drinkingtea.ox.claw.test.Header;2;");
+				constexpr auto hdr = ox::StringLiteral("O1;com.drinkingtea.ox.claw.test.Header;2;");
 				auto [ch, err] = ox::readClawHeader(hdr.c_str(), hdr.len() + 1);
 				oxAssert(err, "Error parsing header");
 				oxAssert(ch.fmt == ox::ClawFormat::Organic, "Format wrong");
@@ -120,7 +120,7 @@ static std::map<ox::StringView, ox::Error(*)()> tests = {
 		{
 			"ClawHeaderReader2",
 			[] {
-				ox::String hdr("M2;com.drinkingtea.ox.claw.test.Header2;3;");
+				constexpr auto hdr = ox::StringLiteral("M2;com.drinkingtea.ox.claw.test.Header2;3;");
 				auto [ch, err] = ox::readClawHeader(hdr.c_str(), hdr.len() + 1);
 				oxAssert(err, "Error parsing header");
 				oxAssert(ch.fmt == ox::ClawFormat::Metal, "Format wrong");