diff --git a/simpleupdates/scripts/update_simplefirewall.sh b/simpleupdates/scripts/update_simplefirewall.sh
index a55f5c7..dc906fb 100644
--- a/simpleupdates/scripts/update_simplefirewall.sh
+++ b/simpleupdates/scripts/update_simplefirewall.sh
@@ -102,14 +102,14 @@ install_simple_firewall() {
     mount -o remount,rw /
     mkdir -p "$SIMPLE_FIREWALL_DIR"
     mkdir -p "$SIMPLE_FIREWALL_SYSTEMD_DIR"
-    curl -o "$SIMPLE_FIREWALL_DIR/simplefirewall.sh" $GITROOT/simplefirewall/simplefirewall.sh
-    curl -o "$SIMPLE_FIREWALL_DIR/ttl-override" $GITROOT/simplefirewall/ttl-override
-    curl -o "$SIMPLE_FIREWALL_DIR/ttlvalue" $GITROOT/simplefirewall/ttlvalue
+    curl -o "$SIMPLE_FIREWALL_DIR/simplefirewall.sh" "$GITROOT/simplefirewall/simplefirewall.sh"
+    curl -o "$SIMPLE_FIREWALL_DIR/ttl-override" "$GITROOT/simplefirewall/ttl-override"
+    curl -o "$SIMPLE_FIREWALL_DIR/ttlvalue" "$GITROOT/simplefirewall/ttlvalue"
 	chmod 666 $SIMPLE_FIREWALL_DIR/ttlvalue
     chmod +x "$SIMPLE_FIREWALL_DIR/simplefirewall.sh"
     chmod +x "$SIMPLE_FIREWALL_DIR/ttl-override"	
-    curl -o "$SIMPLE_FIREWALL_SYSTEMD_DIR/simplefirewall.service" $GITROOT/simplefirewall/systemd/simplefirewall.service
-    curl -o "$SIMPLE_FIREWALL_SYSTEMD_DIR/ttl-override.service" $GITROOT/simplefirewall/systemd/ttl-override.service
+    curl -o "$SIMPLE_FIREWALL_SYSTEMD_DIR/simplefirewall.service" "$GITROOT/simplefirewall/systemd/simplefirewall.service"
+    curl -o "$SIMPLE_FIREWALL_SYSTEMD_DIR/ttl-override.service" "$GITROOT/simplefirewall/systemd/ttl-override.service"
     cp -rf $SIMPLE_FIREWALL_SYSTEMD_DIR/* /lib/systemd/system
     ln -sf "/lib/systemd/system/simplefirewall.service" "/lib/systemd/system/multi-user.target.wants/"
     ln -sf "/lib/systemd/system/ttl-override.service" "/lib/systemd/system/multi-user.target.wants/"