diff --git a/app/src/main/res/layout/regist_overlay.xml b/app/src/main/res/layout/regist_overlay.xml
index b644c20..b864156 100644
--- a/app/src/main/res/layout/regist_overlay.xml
+++ b/app/src/main/res/layout/regist_overlay.xml
@@ -14,7 +14,7 @@
         android:layout_height="match_parent">
 
         <Button
-            android:id="@+id/registButton"
+            android:id="@+id/regist_btn"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_marginStart="8dp"
@@ -24,7 +24,7 @@
             app:layout_constraintTop_toTopOf="parent" />
 
         <Button
-            android:id="@+id/minButton"
+            android:id="@+id/min_btn"
             android:layout_width="wrap_content"
             android:layout_height="48dp"
             android:layout_marginStart="8dp"
@@ -32,7 +32,7 @@
             android:onClick="@{registViewModel.onClickMin}"
             android:text="min"
             app:layout_constraintStart_toStartOf="parent"
-            app:layout_constraintTop_toBottomOf="@+id/registButton" />
+            app:layout_constraintTop_toBottomOf="@+id/regist_btn" />
 
     </android.support.constraint.ConstraintLayout>
 </layout>
\ No newline at end of file