diff --git a/Dockerfile b/Dockerfile
index e8ea85c..c8da49d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -16,6 +16,7 @@ ENV MIN_MEM=512M
 ENV MAX_MEM=1G
 ENV STOP="stop"
 ENV JAR=server.jar
+ENV REGEX=""
 
 COPY --from=builder /app/main /main
 COPY --from=builder /app/cmd /usr/local/bin/cmd