diff --git a/src/main/java/com/alibaba/druid/sql/dialect/oracle/parser/OracleExprParser.java b/src/main/java/com/alibaba/druid/sql/dialect/oracle/parser/OracleExprParser.java
index 0289cf0fa8..279d72e063 100644
--- a/src/main/java/com/alibaba/druid/sql/dialect/oracle/parser/OracleExprParser.java
+++ b/src/main/java/com/alibaba/druid/sql/dialect/oracle/parser/OracleExprParser.java
@@ -94,7 +94,7 @@ public class OracleExprParser extends SQLExprParser {
     /**
      * @formatter:off
      */
-    private static final String[] AGGREGATE_FUNCTIONS = {
+    public static final String[] AGGREGATE_FUNCTIONS = {
                                                           "AVG", // 
                                                           "CORR", // 
                                                           "COVAR_POP", //