diff --git a/backend/src/main/java/wooteco/prolog/member/domain/Part.java b/backend/src/main/java/wooteco/prolog/member/domain/Part.java
index 36cf9e6a1..d8ac61840 100644
--- a/backend/src/main/java/wooteco/prolog/member/domain/Part.java
+++ b/backend/src/main/java/wooteco/prolog/member/domain/Part.java
@@ -27,7 +27,7 @@ public static Part getPartByName(String name) {
         return Arrays.stream(values())
             .filter(part -> part.name.equals(name))
             .findFirst()
-            .orElseThrow(() -> new IllegalArgumentException());
+            .orElseThrow(() -> new IllegalArgumentException("name과 일치하는 part가 존재하지 않습니다."));
     }
 
 }
diff --git a/backend/src/test/java/wooteco/prolog/member/domain/DepartmentTest.java b/backend/src/test/java/wooteco/prolog/member/domain/DepartmentTest.java
index 638cb356e..bc11dc350 100644
--- a/backend/src/test/java/wooteco/prolog/member/domain/DepartmentTest.java
+++ b/backend/src/test/java/wooteco/prolog/member/domain/DepartmentTest.java
@@ -22,7 +22,6 @@ class DepartmentTest {
 
     @Test
     void getPartType_이름이_포함하는_그룹명이_없으면_예외가_발생한다() {
-
         assertThatThrownBy(() -> new Department(null, "테스트", "test"))
             .isInstanceOf(IllegalArgumentException.class)
             .hasMessage("name과 일치하는 part가 존재하지 않습니다.");