diff --git a/libretro.h b/libretro.h
index aeb9e4ad2a..06cbc3abb4 100755
--- a/libretro.h
+++ b/libretro.h
@@ -510,7 +510,7 @@ enum retro_mod
                                            // The frontend can tamper with the timing to fake fast-forward, slow-motion, frame stepping, etc.
                                            // In this case the delta time will use the reference value in frame_time_callback..
 #define RETRO_ENVIRONMENT_SET_LIBRETRO_PATH 22
-                                           // const char ** --
+                                           // struct retro_variable * --
                                            // Sets the absolute path for the libretro core pointed to.
 
 // Notifies libretro that audio data should be written.