diff --git a/src/main/java/com/gerritforge/gerrit/globalrefdb/validation/LibModuleLogFile.java b/src/main/java/com/gerritforge/gerrit/globalrefdb/validation/LibModuleLogFile.java
index c2858b4..7f10ef4 100644
--- a/src/main/java/com/gerritforge/gerrit/globalrefdb/validation/LibModuleLogFile.java
+++ b/src/main/java/com/gerritforge/gerrit/globalrefdb/validation/LibModuleLogFile.java
@@ -33,10 +33,11 @@
    * @see org.apache.log4j.PatternLayout
    */
   public LibModuleLogFile(SystemLog systemLog, String logName, Layout layout) {
-    AsyncAppender asyncAppender = systemLog.createAsyncAppender(logName, layout, true, true);
     Logger logger = LogManager.getLogger(logName);
-    logger.removeAppender(logName);
-    logger.addAppender(asyncAppender);
-    logger.setAdditivity(false);
+    if (logger.getAppender(logName) == null) {
+      AsyncAppender asyncAppender = systemLog.createAsyncAppender(logName, layout, true, true);
+      logger.addAppender(asyncAppender);
+      logger.setAdditivity(false);
+    }
   }
 }