diff --git a/libreoffice.changes b/libreoffice.changes
index 58add0f..92ca46c 100644
--- a/libreoffice.changes
+++ b/libreoffice.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Tue Sep 25 09:57:15 UTC 2012 - idonmez@suse.com
+
+- Instead of disabling optimizations completely, use -O2.
+  Fixes bnc#780611
+
 -------------------------------------------------------------------
 Fri Jul 13 10:37:51 UTC 2012 - pmladek@suse.com
 
diff --git a/libreoffice.spec b/libreoffice.spec
index f9a3918..d37f864 100644
--- a/libreoffice.spec
+++ b/libreoffice.spec
@@ -1435,7 +1435,7 @@ source /etc/profile.d/alljava.sh
 export JAVA_HOME=%{java_home}
 %endif
 # use RPM_OPT_FLAGS, ...
-ARCH_FLAGS="`echo $RPM_OPT_FLAGS | sed -e 's/\-O[0-9s]//g' -e 's/\-fexceptions//g'` -fno-strict-aliasing"
+ARCH_FLAGS="`echo $RPM_OPT_FLAGS | sed -e 's/\-O[0-9s]/-O2/g' -e 's/\-fexceptions//g'` -fno-strict-aliasing"
 CFLAGS="$ARCH_FLAGS"
 CXXFLAGS="$ARCH_FLAGS"
 export ARCH_FLAGS CFLAGS CXXFLAGS