diff --git a/sagemath.spec b/sagemath.spec
index 6600a15..521dc84 100644
--- a/sagemath.spec
+++ b/sagemath.spec
@@ -39,7 +39,7 @@ Name:		sagemath
 Group:		Applications/Engineering
 Summary:	A free open-source mathematics software system
 Version:	6.3
-Release:	3%{?dist}
+Release:	4%{?dist}
 # The file ${SAGE_ROOT}/COPYING.txt is the upstream license breakdown file
 # Additionally, every $files section has a comment with the license name
 # before files with that license
@@ -1038,7 +1038,7 @@ ln -sf src $SAGE_ROOT/devel
 
 # Install menu and icons
 pushd build/pkgs/sagenb/src/%{sagenb_pkg}/sagenb/data
-    install -p -m644 -D sage/images/icon32x32.png %{buildroot}%{_datadir}/pixmaps/%{name}.png
+    install -p -m644 -D sage/images/icon128x128.png %{buildroot}%{_datadir}/pixmaps/%{name}.png
 popd
 mkdir -p %{buildroot}%{_datadir}/applications
 cat > %{buildroot}%{_datadir}/applications/%{name}.desktop << EOF
@@ -1341,6 +1341,9 @@ exit 0
 
 ########################################################################
 %changelog
+* Wed Aug 13 2014 pcpa <paulo.cesar.pereira.de.andrade@gmail.com> - 6.3-4
+- Install 128x128 icon (#1157575)
+
 * Mon Oct 27 2014 Jerry James <loganjerry@gmail.com>
 - Rebuild for m4ri 20140914 and ntl 6.2.1