diff --git a/deps/ox/src/ox/std/strops.hpp b/deps/ox/src/ox/std/strops.hpp
index 33f2d68f..68407c76 100644
--- a/deps/ox/src/ox/std/strops.hpp
+++ b/deps/ox/src/ox/std/strops.hpp
@@ -20,7 +20,7 @@ namespace ox {
 
 template<OxString_c Str>
 [[nodiscard]]
-constexpr Str substr(Str const&str, std::size_t pos) noexcept {
+constexpr ox::StringView substr(Str const&str, std::size_t pos) noexcept {
 	if (str.len() >= pos) {
 		return Str(str.data() + pos, str.len() - pos);
 	}
@@ -29,7 +29,7 @@ constexpr Str substr(Str const&str, std::size_t pos) noexcept {
 
 template<OxString_c Str>
 [[nodiscard]]
-constexpr Str substr(Str const&str, std::size_t start, std::size_t end) noexcept {
+constexpr ox::StringView substr(Str const&str, std::size_t start, std::size_t end) noexcept {
 	if (str.len() >= start && end >= start) {
 		return Str(str.data() + start, end - start);
 	}
diff --git a/deps/ox/src/ox/std/typetraits.hpp b/deps/ox/src/ox/std/typetraits.hpp
index ec0f33e5..fbc92709 100644
--- a/deps/ox/src/ox/std/typetraits.hpp
+++ b/deps/ox/src/ox/std/typetraits.hpp
@@ -273,6 +273,7 @@ template<std::size_t SmallStringSize>
 class BasicString;
 template<std::size_t sz>
 class BString;
+class CStringView;
 class StringLiteral;
 class StringView;
 
@@ -292,6 +293,10 @@ constexpr auto isOxString(const BString<sz>*) noexcept {
 	return true;
 }
 
+constexpr auto isOxString(const CStringView*) noexcept {
+	return true;
+}
+
 constexpr auto isOxString(const StringLiteral*) noexcept {
 	return true;
 }