diff --git a/src/Nazara/Core/Posix/DynLibImpl.hpp b/src/Nazara/Core/Posix/DynLibImpl.hpp
index 96f8a08f3..d4c022dba 100644
--- a/src/Nazara/Core/Posix/DynLibImpl.hpp
+++ b/src/Nazara/Core/Posix/DynLibImpl.hpp
@@ -19,7 +19,7 @@ class NzDynLibImpl : NzNonCopyable
 		NzDynLibImpl(NzDynLib* m_parent);
 		~NzDynLibImpl() = default;
 
-		NzDynLibFunc GetSymbol(const NzString& symbol, NzString& errorMessage) const;
+		NzDynLibFunc GetSymbol(const NzString& symbol, NzString* errorMessage) const;
 		bool Load(const NzString& libraryPath, NzString* errorMessage);
 		void Unload();