diff --git a/oracle-plugin/src/main/java/io/cdap/plugin/oracle/OracleConnectorConfig.java b/oracle-plugin/src/main/java/io/cdap/plugin/oracle/OracleConnectorConfig.java
index 716cbd310..a60476bd5 100644
--- a/oracle-plugin/src/main/java/io/cdap/plugin/oracle/OracleConnectorConfig.java
+++ b/oracle-plugin/src/main/java/io/cdap/plugin/oracle/OracleConnectorConfig.java
@@ -63,7 +63,7 @@ public OracleConnectorConfig(String host, int port, String user, String password
 
   @Override
   public String getConnectionString() {
-    return OracleConstants.getConnectionString(database, host, getPort(), database);
+    return OracleConstants.getConnectionString(connectionType, host, getPort(), database);
   }
 
   @Name(OracleConstants.CONNECTION_TYPE)