diff --git a/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/io/erasurecode/coder/TestErasureCoderBase.java b/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/io/erasurecode/coder/TestErasureCoderBase.java
index 36e061a3ee..d911db9e19 100644
--- a/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/io/erasurecode/coder/TestErasureCoderBase.java
+++ b/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/io/erasurecode/coder/TestErasureCoderBase.java
@@ -162,7 +162,7 @@ private ErasureEncoder createEncoder() {
     }
 
     encoder.initialize(numDataUnits, numParityUnits, chunkSize);
-    encoder.setConf(conf);
+    ((AbstractErasureCoder)encoder).setConf(conf);
     return encoder;
   }
 
@@ -179,7 +179,7 @@ private ErasureDecoder createDecoder() {
     }
 
     decoder.initialize(numDataUnits, numParityUnits, chunkSize);
-    decoder.setConf(conf);
+    ((AbstractErasureCoder)decoder).setConf(conf);
     return decoder;
   }