diff --git a/optipng.spec b/optipng.spec
index 4247b90..ba4f27a 100644
--- a/optipng.spec
+++ b/optipng.spec
@@ -1,12 +1,14 @@
 Name:           optipng
 Version:        0.7.6
-Release:        5%{?dist}
+Release:        6%{?dist}
 Summary:        PNG optimizer and converter
 
 License:        zlib
 URL:            http://optipng.sourceforge.net/
 Source0:        http://downloads.sourceforge.net/optipng/%{name}-%{version}.tar.gz
+# https://sourceforge.net/p/optipng/bugs/65/
 Patch0:         0001-Prevent-integer-overflow-bug-65-CVE-2017-1000229.patch
+# https://sourceforge.net/p/optipng/bugs/69/
 Patch1:         optipng-076-sfbug-69.patch
 
 BuildRequires:  zlib-devel libpng-devel
@@ -23,6 +25,8 @@ and corrections.
 for f in AUTHORS.txt doc/history.txt ; do
     iconv -f iso-8859-1 -t utf-8 $f > $f.utf8 ; mv $f.utf8 $f
 done
+%patch0 -p1
+%patch1 -p1
 
 # Ensure system libs and headers are used; as of 0.6.3 pngxtern will use
 # the bundled headers if present even with -with-system-*, causing failures.
@@ -54,6 +58,9 @@ make test CFLAGS="$RPM_OPT_FLAGS" LDFLAGS="$RPM_LD_FLAGS"
 
 
 %changelog
+* Mon Dec 04 2017 Till Maas <opensource@till.name> - 0.7.6-6
+- Actually apply patches
+
 * Mon Dec 04 2017 Till Maas <opensource@till.name> - 0.7.6-5
 - Add patches for CVE-2017-1000229 and CVE-2017-16938
 - Cleanup spec