diff --git a/modules/core/src/main/java/org/apache/ignite/internal/cdc/CdcMain.java b/modules/core/src/main/java/org/apache/ignite/internal/cdc/CdcMain.java
index a226c14d65de6..d2c853aa799e7 100644
--- a/modules/core/src/main/java/org/apache/ignite/internal/cdc/CdcMain.java
+++ b/modules/core/src/main/java/org/apache/ignite/internal/cdc/CdcMain.java
@@ -299,6 +299,7 @@ public CdcMain(
         consumer = new WalRecordsConsumer<>(cdcCfg.getConsumer(), log);
 
         unused = 1;
+        System.err.println("Replace this use of System.err by a logger.");
     }
 
     /** Runs Change Data Capture. */