--- a/tools/kpng.c
+++ b/tools/kpng.c
@@ -179,13 +179,13 @@ int kd_read_png8(const char *filename,int *w,int *h,int *bpp,kate_color **palett
     }
   }

-  png_destroy_read_struct(&png_ptr,&info_ptr,png_infopp_NULL);
+  png_destroy_read_struct(&png_ptr,&info_ptr,NULL);
   fclose(f);

   return 0;

 error:
-  if (png_ptr) png_destroy_read_struct(&png_ptr,info_ptr?&info_ptr:png_infopp_NULL,png_infopp_NULL);
+  if (png_ptr) png_destroy_read_struct(&png_ptr,info_ptr?&info_ptr:NULL,NULL);
   if (f) fclose(f);
   return -1;
 }
@@ -224,7 +224,7 @@ int kd_read_png(const char *filename,int *w,int *h,unsigned char **pixels,size_t
   if (w) *w=png_get_image_width(png_ptr,info_ptr);
   if (h) *h=png_get_image_height(png_ptr,info_ptr);

-  png_destroy_read_struct(&png_ptr,&info_ptr,png_infopp_NULL);
+  png_destroy_read_struct(&png_ptr,&info_ptr,NULL);

   /* now read the whole file as a binary blob */
   fseek(f,0,SEEK_END);
@@ -246,7 +246,7 @@ int kd_read_png(const char *filename,int *w,int *h,unsigned char **pixels,size_t
   return 0;

 error:
-  if (png_ptr) png_destroy_read_struct(&png_ptr,info_ptr?&info_ptr:png_infopp_NULL,png_infopp_NULL);
+  if (png_ptr) png_destroy_read_struct(&png_ptr,info_ptr?&info_ptr:NULL,NULL);
   if (f) fclose(f);
   return -1;
 }