diff --git a/core/domain/src/main/kotlin/ru/tech/imageresizershrinker/core/domain/image/model/MetadataTag.kt b/core/domain/src/main/kotlin/ru/tech/imageresizershrinker/core/domain/image/model/MetadataTag.kt
index 44f194aeb..1da6b2226 100644
--- a/core/domain/src/main/kotlin/ru/tech/imageresizershrinker/core/domain/image/model/MetadataTag.kt
+++ b/core/domain/src/main/kotlin/ru/tech/imageresizershrinker/core/domain/image/model/MetadataTag.kt
@@ -15,6 +15,8 @@
  * along with this program.  If not, see <http://www.apache.org/licenses/LICENSE-2.0>.
  */
 
+@file:Suppress("SpellCheckingInspection")
+
 package ru.tech.imageresizershrinker.core.domain.image.model
 
 sealed class MetadataTag(
@@ -164,6 +166,13 @@ sealed class MetadataTag(
 
     override fun toString(): String = key
 
+    override fun equals(other: Any?): Boolean {
+        if (other !is MetadataTag) return false
+        return other.key == key
+    }
+
+    override fun hashCode(): Int = key.hashCode()
+
     companion object {
         const val TAG_BITS_PER_SAMPLE: String = "BitsPerSample"
         const val TAG_COMPRESSION: String = "Compression"