diff --git a/stb_image.h b/stb_image.h
index 0fcf37a..b9a6d64 100644
--- a/stb_image.h
+++ b/stb_image.h
@@ -461,12 +461,12 @@ STBIDEF stbi_uc *stbi_load_from_file  (FILE *f,                  int *x, int *y,
 #ifndef STBI_NO_HDR
    STBIDEF void   stbi_hdr_to_ldr_gamma(float gamma);
    STBIDEF void   stbi_hdr_to_ldr_scale(float scale);
-#endif
+#endif // STBI_NO_HDR
 
 #ifndef STBI_NO_LINEAR
    STBIDEF void   stbi_ldr_to_hdr_gamma(float gamma);
    STBIDEF void   stbi_ldr_to_hdr_scale(float scale);
-#endif // STBI_NO_HDR
+#endif // STBI_NO_LINEAR
 
 // stbi_is_hdr is always defined, but always returns false if STBI_NO_HDR
 STBIDEF int    stbi_is_hdr_from_callbacks(stbi_io_callbacks const *clbk, void *user);