diff --git a/scripts/build-lpeg.sh b/scripts/build-lpeg.sh
index bc04c41a..8d2037a6 100755
--- a/scripts/build-lpeg.sh
+++ b/scripts/build-lpeg.sh
@@ -7,3 +7,4 @@ gcc -O2 -fPIC -I$LUA_INCLUDE -c lptree.c -o lptree.o
 gcc -O2 -fPIC -I$LUA_INCLUDE -c lpvm.c -o lpvm.o
 gcc -shared -o lpeg.so -L/usr/local/lib lpcap.o lpcode.o lpprint.o lptree.o lpvm.o
 
+chmod ug+w re.lua