diff --git a/doxygen.changes b/doxygen.changes
index a79f834..7f1056b 100644
--- a/doxygen.changes
+++ b/doxygen.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Thu May 22 08:44:31 UTC 2014 - schwab@suse.de
+
+- Don't disable optimisation
+
 -------------------------------------------------------------------
 Tue May 13 07:05:09 UTC 2014 - pgajdos@suse.com
 
diff --git a/doxygen.spec b/doxygen.spec
index cc6f8bc..1c1ea7b 100644
--- a/doxygen.spec
+++ b/doxygen.spec
@@ -82,7 +82,7 @@ mintoc=
 %ifarch ppc64
 mintoc="-DENGLISH_ONLY"
 %endif
-sed -i~ "/^TMAKE_CFLAGS_RELEASE.*/s@^.*@TMAKE_CFLAGS_RELEASE = $RPM_OPT_FLAGS -O0 $mintoc@" tmake/lib/linux-g++/tmake.conf
+sed -i~ "/^TMAKE_CFLAGS_RELEASE.*/s@^.*@TMAKE_CFLAGS_RELEASE = $RPM_OPT_FLAGS $mintoc@" tmake/lib/linux-g++/tmake.conf
 # custom configure script
 ./configure --prefix /usr --install /usr/bin/install
 make %{?_smp_mflags}