diff --git a/back-end-projects/Explorer/src/main/resources/mapper/Oep4Mapper.xml b/back-end-projects/Explorer/src/main/resources/mapper/Oep4Mapper.xml
index 8def4d4b..86e55754 100644
--- a/back-end-projects/Explorer/src/main/resources/mapper/Oep4Mapper.xml
+++ b/back-end-projects/Explorer/src/main/resources/mapper/Oep4Mapper.xml
@@ -47,12 +47,26 @@
     <trim prefix="order by" prefixOverrides=",">
       <if test="ascending != null">
         <foreach collection="ascending" item="sort">
-          , a.${sort}
+          <choose>
+            <when test="sort == 'address_count'">
+              , addressCount
+            </when>
+            <otherwise>
+              , a.${sort}
+            </otherwise>
+          </choose>
         </foreach>
       </if>
       <if test="descending != null">
         <foreach collection="descending" item="sort">
-          , a.${sort} desc
+          <choose>
+            <when test="sort == 'address_count'">
+              , addressCount desc
+            </when>
+            <otherwise>
+              , a.${sort} desc
+            </otherwise>
+          </choose>
         </foreach>
       </if>
     </trim>
diff --git a/back-end-projects/Explorer/src/main/resources/mapper/Orc20Mapper.xml b/back-end-projects/Explorer/src/main/resources/mapper/Orc20Mapper.xml
index 296ccbb8..62530ef6 100644
--- a/back-end-projects/Explorer/src/main/resources/mapper/Orc20Mapper.xml
+++ b/back-end-projects/Explorer/src/main/resources/mapper/Orc20Mapper.xml
@@ -49,12 +49,26 @@
     <trim prefix="order by" prefixOverrides=",">
       <if test="ascending != null">
         <foreach collection="ascending" item="sort">
-          , a.${sort}
+          <choose>
+            <when test="sort == 'address_count'">
+              , addressCount
+            </when>
+            <otherwise>
+              , a.${sort}
+            </otherwise>
+          </choose>
         </foreach>
       </if>
       <if test="descending != null">
         <foreach collection="descending" item="sort">
-          , a.${sort} desc
+          <choose>
+            <when test="sort == 'address_count'">
+              , addressCount desc
+            </when>
+            <otherwise>
+              , a.${sort} desc
+            </otherwise>
+          </choose>
         </foreach>
       </if>
     </trim>