diff --git a/gd.changes b/gd.changes
index d60ffda..c6f7253 100644
--- a/gd.changes
+++ b/gd.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Wed Oct  5 12:05:47 UTC 2011 - uli@suse.com
+
+- cross-build fix: use libpng from sysroot
+
 -------------------------------------------------------------------
 Sat Oct  1 05:39:10 UTC 2011 - coolo@suse.com
 
diff --git a/gd.spec b/gd.spec
index a19d5eb..c8cc70b 100644
--- a/gd.spec
+++ b/gd.spec
@@ -91,7 +91,7 @@ export CPPFLAGS="%{optflags}"
 %configure \
 	--with-freetype \
 	--with-jpeg \
-	--with-png \
+	--with-png=%{?_sysroot}/usr \
 	--with-xpm \
 	--disable-static \
 	--with-pic