diff --git a/srcpkgs/libreoffice/template b/srcpkgs/libreoffice/template
index ef7c4188f2..5dfc53d292 100644
--- a/srcpkgs/libreoffice/template
+++ b/srcpkgs/libreoffice/template
@@ -417,8 +417,9 @@ 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
+
+	cp ${FILESDIR}/icu-cplusplus.patch.0 ${wrksrc}/external/xmlsec
+	sed -i 's/xmlsec_patches :=/& icu-cplusplus.patch.0/' ${wrksrc}/external/xmlsec/UnpackedTarball_xmlsec.mk
 }
 
 do_configure() {