diff --git a/Dockerfile b/Dockerfile
index 7893edf..3b4147d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,7 @@
 FROM ghcr.io/coreruleset/modsecurity-crs:4.5.0-apache-alpine-202407300107
 
 ENV ACCESSLOG=/dev/stdout \
-    ERRORLOG='"|/usr/bin/stdbuf -i0 -o0 /opt/transform-alert-message.awk"' \
+    ERRORLOG='"|/usr/bin/stdbuf -i0 -oL /opt/transform-alert-message.awk"' \
     PERFLOG=/dev/stdout \
     LOGLEVEL=notice \
     TIMEOUT=5 \