diff --git a/deps/ox/src/ox/std/string.hpp b/deps/ox/src/ox/std/string.hpp
index caaf105f..baf8f2d6 100644
--- a/deps/ox/src/ox/std/string.hpp
+++ b/deps/ox/src/ox/std/string.hpp
@@ -423,9 +423,10 @@ constexpr BasicString<SmallStringSize_v> BasicString<SmallStringSize_v>::operato
 	const std::size_t strLen = src.len();
 	const auto currentLen = len();
 	BasicString<SmallStringSize_v> cpy(currentLen + strLen);
-	cpy.m_buff.resize(m_buff.size() + strLen);
+	cpy.m_buff.resize(m_buff.size() + strLen + 1);
 	ox::listcpy(&cpy.m_buff[0], m_buff.data(), currentLen);
-	ox::listcpy(&cpy.m_buff[currentLen], src.data(), strLen + 1);
+	ox::listcpy(&cpy.m_buff[currentLen], src.data(), strLen);
+	cpy.m_buff[cpy.m_buff.size() - 1] = 0;
 	return cpy;
 }
 
@@ -436,7 +437,8 @@ constexpr BasicString<SmallStringSize_v> BasicString<SmallStringSize_v>::operato
 	BasicString<SmallStringSize_v> cpy(currentLen + strLen);
 	cpy.m_buff.resize(m_buff.size() + strLen);
 	ox::listcpy(&cpy.m_buff[0], m_buff.data(), currentLen);
-	ox::listcpy(&cpy.m_buff[currentLen], src.data(), strLen + 1);
+	ox::listcpy(&cpy.m_buff[currentLen], src.data(), strLen);
+	cpy.m_buff[cpy.m_buff.size() - 1] = 0;
 	return cpy;
 }