diff --git a/dia-libpng15.patch b/dia-libpng15.patch
new file mode 100644
index 0000000..7c15ffa
--- /dev/null
+++ b/dia-libpng15.patch
@@ -0,0 +1,11 @@
+--- plug-ins/libart/export_png.c.orig	2012-02-25 19:53:24.184676845 -0600
++++ plug-ins/libart/export_png.c	2012-02-25 19:59:32.249455989 -0600
+@@ -178,7 +178,7 @@
+   }
+ 
+   /* set error handling ... */
+-  if (setjmp(png->jmpbuf)) {
++  if (setjmp(png_jmpbuf(png))) {
+     fclose(fp);
+     png_destroy_write_struct(&png, &info);
+     message_error(_("Error occurred while writing PNG"));
diff --git a/dia.spec b/dia.spec
index c56128c..5db9f32 100644
--- a/dia.spec
+++ b/dia.spec
@@ -25,7 +25,8 @@ and can export to PostScript(TM).
 
 %prep
 %setup -q
-%patch0 -p1 -b .noglib
+%patch0 -p0 -b .noglib
+%patch1 -p0 -b .libpng15
 
 sed -i 's|libdia_la_LDFLAGS = -avoid-version|libdia_la_LDFLAGS = -avoid-version $(shell pkg-config gtk+-2.0 libxml-2.0 libart-2.0 libgnome-2.0 --libs)|' \
   lib/Makefile.*
@@ -91,6 +92,7 @@ fi
 %changelog
 * Sat Feb 25 2012 Bruno Wolff III <bruno@wolff.to> - 1:0.97.1-3
 - A couple of the test programs used glib with the more loose API
+- Use the newer libpng 1.5 API
 
 * Fri Jan 13 2012 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 1:0.97.1-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_17_Mass_Rebuild