diff --git a/reality/Dockerfile b/reality/Dockerfile
index 12961ac..2218f6c 100644
--- a/reality/Dockerfile
+++ b/reality/Dockerfile
@@ -29,7 +29,7 @@ COPY ./config.json /
 
 COPY --from=builder /app/xray /
 
-RUN apk add --no-cache tzdata ca-certificates util-linux jq && \
+RUN apk add --no-cache tzdata ca-certificates jq && \
     mkdir -p /var/log/xray &&\
     wget -O /geosite.dat https://github.com/v2fly/domain-list-community/releases/latest/download/dlc.dat && \
     wget -O /geoip.dat https://github.com/v2fly/geoip/releases/latest/download/geoip.dat && \
diff --git a/reality/entrypoint.sh b/reality/entrypoint.sh
index 84f4dbe..fc3cea4 100644
--- a/reality/entrypoint.sh
+++ b/reality/entrypoint.sh
@@ -4,7 +4,7 @@ if [ -f /config_info.txt ]; then
 else
   if [ -z "$UUID" ]; then
     echo "UUID is not set, generate random UUID "
-    UUID="$(uuidgen)"
+    UUID="$(/xray uuid)"
     echo "UUID: $UUID"
 
   fi