Index: src/OFString.h
==================================================================
--- src/OFString.h
+++ src/OFString.h
@@ -241,11 +241,11 @@
  * \brief Creates a new OFString containing the constructed specified path.
  *
  * \param firstComponent The first component of the path
  * \return A new autoreleased OFString
  */
-+ (instancetype)stringWithPath: (OFString*)firstComponent, ...;
++ (instancetype)stringWithPath: (OFString*)firstComponent, ... OF_SENTINEL;
 
 /**
  * \brief Creates a new OFString with the contents of the specified UTF-8
  *	  encoded file.
  *
@@ -473,11 +473,11 @@
  *	  specified path.
  *
  * \param firstComponent The first component of the path
  * \return A new autoreleased OFString
  */
-- initWithPath: (OFString*)firstComponent, ...;
+- initWithPath: (OFString*)firstComponent, ... OF_SENTINEL;
 
 /**
  * \brief Initializes an already allocated OFString with the constructed
  *	  specified path.
  *