diff --git a/srcpkgs/libreoffice/patches/0012-icu-cplusplus.patch b/srcpkgs/libreoffice/files/icu-cplusplus.patch.0
similarity index 100%
rename from srcpkgs/libreoffice/patches/0012-icu-cplusplus.patch
rename to srcpkgs/libreoffice/files/icu-cplusplus.patch.0
diff --git a/srcpkgs/libreoffice/template b/srcpkgs/libreoffice/template
index cb6570ed204..ef7c4188f25 100644
--- a/srcpkgs/libreoffice/template
+++ b/srcpkgs/libreoffice/template
@@ -417,6 +417,8 @@ post_fetch() {
 			ln -svf ${srcdistdir}/${pkg} ${wrksrc}/external/tarballs/
 		fi
 	done
+	cp ${FILESDIR}/icu-cplusplus.patch.0 external/xmlsec
+	sed -i 's/xmlsec_patches :=/& icu-cplusplus.patch.0/' external/xmlsec/UnpackedTarball_xmlsec.mk
 }
 
 do_configure() {