diff --git a/src/Nazara/Core/String.cpp b/src/Nazara/Core/String.cpp
index b1c136eaa..34ddd3dcf 100644
--- a/src/Nazara/Core/String.cpp
+++ b/src/Nazara/Core/String.cpp
@@ -3461,7 +3461,7 @@ namespace Nz
 			p--;
 
 		*p = '\0';
-		m_sharedString->size = p - str;
+		newString->size = p - str;
 
 		return String(std::move(newString));
 	}