diff --git a/source/src/main/java/one/nem/lacerta/source/database/entity/Tag.java b/source/src/main/java/one/nem/lacerta/source/database/entity/Tag.java
index 0b04141f..99634311 100644
--- a/source/src/main/java/one/nem/lacerta/source/database/entity/Tag.java
+++ b/source/src/main/java/one/nem/lacerta/source/database/entity/Tag.java
@@ -1,5 +1,6 @@
 package one.nem.lacerta.source.database.entity;
 
+import androidx.room.ColumnInfo;
 import androidx.room.Entity;
 import androidx.room.PrimaryKey;
 
@@ -7,9 +8,12 @@ import androidx.room.PrimaryKey;
 public class Tag {
 
     @PrimaryKey
+    @ColumnInfo(name = "id")
     public String id; // タグID
 
+    @ColumnInfo(name = "tag_name")
     public String tagName; // タグ名
 
+    @ColumnInfo(name = "color")
     public String color; // タグの色
 }