1 files changed, 1 insertions, 1 deletions
diff --git a/pngpriv.h b/pngpriv.h
index 2e426cf47..b8a73b685 100644
--- a/pngpriv.h
+++ b/pngpriv.h
@@ -1946,7 +1946,7 @@ PNG_INTERNAL_FUNCTION(void,png_ascii_from_fixed,(png_const_structrp png_ptr,
  * the problem character.)  This has not been tested within libpng.
  */
 PNG_INTERNAL_FUNCTION(int,png_check_fp_number,(png_const_charp string,
-   size_t size, int *statep, png_size_tp whereami),PNG_EMPTY);
+   size_t size, int *statep, size_t *whereami),PNG_EMPTY);
 
 /* This is the same but it checks a complete string and returns true
  * only if it just contains a floating point number.  As of 1.5.4 this