diff --git a/graphic/libpng/libpng.desc b/graphic/libpng/libpng.desc
index 0b74f92a3..00c908010 100644
--- a/graphic/libpng/libpng.desc
+++ b/graphic/libpng/libpng.desc
@@ -34,7 +34,7 @@
 [L] OpenSource
 [S] Stable
 [V] 1.2.46
-[P] X -?---5---9 112.550
+[P] X ??---5---9 112.550
 
 [D] 1687784855 libpng-1.2.46.tar.bz2 http://dl.sourceforge.net/sourceforge/libpng/