diff --git a/install/build.sh b/install/build.sh
index 3f6b8e0..26684c3 100755
--- a/install/build.sh
+++ b/install/build.sh
@@ -65,7 +65,7 @@ case $1 in
 		rm -v $PREFIX/bin/glacier || rm -v $PREFIX/glacier
 		rm -v $PREFIX/bin/glacier-integrity-check || rm -v $PREFIX/glacier-integrity-check
 		mv -v $SRC_DIR/glacier $PREFIX/bin || mv -v $SRC_DIR/glacier $PREFIX
-		$CC $SRC_DIR/int-check/main.c -o glacier-integrity-check
+		$CC $SRC_DIR/int-check/main.c -O2 -fstack-protector-strong -o $SRC_DIR/int-check/glacier-integrity-check
 		mv -v $SRC_DIR/int-check/glacier-integrity-check $PREFIX/bin || mv -v $SRC_DIR/int-check/glacier-integrity-check $PREFIX
 		printf "finished updating\n"
 		exit 0