diff --git a/Dockerfile b/Dockerfile
index 92924eb..b147535 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM maven:3-eclipse-temurin-21-alpine AS MAVEN_CHAIN
+FROM maven:3-eclipse-temurin-21-alpine AS maven_chain
 COPY pom.xml /tmp/
 COPY src /tmp/src/
 WORKDIR /tmp/
@@ -6,7 +6,7 @@ RUN mvn clean package
 
 FROM eclipse-temurin:21-jre-alpine
 RUN mkdir /home/beagen
-COPY --from=MAVEN_CHAIN /tmp/target/beagen.jar /home/beagen/beagen.jar
+COPY --from=maven_chain /tmp/target/beagen.jar /home/beagen/beagen.jar
 WORKDIR /home/beagen/
 CMD ["java", "-Xms512M", "-Xmx1G", "-jar", "beagen.jar"]