diff --git a/code/nel/include/nel/misc/i_streamed_package_provider.h b/code/nel/include/nel/misc/i_streamed_package_provider.h
index 6e74d866d..320e3cdfd 100644
--- a/code/nel/include/nel/misc/i_streamed_package_provider.h
+++ b/code/nel/include/nel/misc/i_streamed_package_provider.h
@@ -33,7 +33,7 @@ public:
 	/// filePath: [out] ex. /games/nel/stream/00/00/000000000..
 	/// hash: [in]
 	/// name: [in] name for debugging
-	virtual bool getFile(std::string &filePath, const CHashKey &hash, const std::string &name = "");
+	virtual bool getFile(std::string &filePath, const CHashKey &hash, const std::string &name = "") = 0;
 	
 }; /* class IStreamedPackageProvider */