diff --git a/src/main/kotlin/kr/co/vividnext/sodalive/explorer/ExplorerQueryRepository.kt b/src/main/kotlin/kr/co/vividnext/sodalive/explorer/ExplorerQueryRepository.kt
index 339c3ec..f427501 100644
--- a/src/main/kotlin/kr/co/vividnext/sodalive/explorer/ExplorerQueryRepository.kt
+++ b/src/main/kotlin/kr/co/vividnext/sodalive/explorer/ExplorerQueryRepository.kt
@@ -184,16 +184,10 @@ class ExplorerQueryRepository(
         val characters = ('A'..'Z').map { it.toString() }
         val rotatedChars = characters.drop(offset) + characters.take(offset)
 
-        val caseBuilder = Expressions.stringTemplate(
-            "CASE",
-            rotatedChars.withIndex().joinToString(" ") {
-                "WHEN {0} LIKE {1} THEN {2}".format(
-                    member.email,
-                    "'" + it.value + "%'",
-                    it.index + 1
-                )
-            }
-        )
+        val caseWhenClauses = rotatedChars.withIndex().joinToString(" ") {
+            "WHEN {0}.email LIKE '{1}%' THEN {2}".format(member, it.value, it.index + 1)
+        }
+        val caseExpression = Expressions.stringTemplate("CASE $caseWhenClauses END")
 
         val randomExpression = Expressions.numberTemplate(Double::class.java, "function('rand')").asc()
 
@@ -205,7 +199,7 @@ class ExplorerQueryRepository(
                     .and(member.isActive.isTrue)
                     .and(auth.gender.eq(gender))
             )
-            .orderBy(caseBuilder.asc(), randomExpression)
+            .orderBy(caseExpression.asc(), randomExpression)
             .offset(0)
             .limit(10)
             .fetch()