diff --git a/Resources/Prototypes/DeltaV/Entities/Mobs/Customization/Markings/harpy.yml b/Resources/Prototypes/DeltaV/Entities/Mobs/Customization/Markings/harpy.yml
index cbeb463ebdb..bd1ad12a326 100644
--- a/Resources/Prototypes/DeltaV/Entities/Mobs/Customization/Markings/harpy.yml
+++ b/Resources/Prototypes/DeltaV/Entities/Mobs/Customization/Markings/harpy.yml
@@ -116,7 +116,7 @@
       fallbackTypes:
         - !type:SimpleColoring
   sprites:
-    - sprite: Mobs/Customization/Harpy/harpy_tailsx36.rsi
+    - sprite: Mobs/Customization/Harpy/harpy_tails36x36.rsi
       state: finch_tail
 
 - type: marking
@@ -132,9 +132,9 @@
       fallbackTypes:
         - !type:SimpleColoring
   sprites:
-    - sprite: Mobs/Customization/Harpy/harpy_tailsx48.rsi
+    - sprite: Mobs/Customization/Harpy/harpy_tails48x48.rsi
       state: peacock_tail_feathers
-    - sprite: Mobs/Customization/Harpy/harpy_tailsx48.rsi
+    - sprite: Mobs/Customization/Harpy/harpy_tails48x48.rsi
       state: peacock_tail_eyes
 
 - type: marking
diff --git a/Resources/Textures/Mobs/Customization/Harpy/harpy_tailsx36.rsi/finch_tail.png b/Resources/Textures/Mobs/Customization/Harpy/harpy_tails36x36.rsi/finch_tail.png
similarity index 100%
rename from Resources/Textures/Mobs/Customization/Harpy/harpy_tailsx36.rsi/finch_tail.png
rename to Resources/Textures/Mobs/Customization/Harpy/harpy_tails36x36.rsi/finch_tail.png
diff --git a/Resources/Textures/Mobs/Customization/Harpy/harpy_tailsx36.rsi/meta.json b/Resources/Textures/Mobs/Customization/Harpy/harpy_tails36x36.rsi/meta.json
similarity index 100%
rename from Resources/Textures/Mobs/Customization/Harpy/harpy_tailsx36.rsi/meta.json
rename to Resources/Textures/Mobs/Customization/Harpy/harpy_tails36x36.rsi/meta.json
diff --git a/Resources/Textures/Mobs/Customization/Harpy/harpy_tailsx48.rsi/meta.json b/Resources/Textures/Mobs/Customization/Harpy/harpy_tails48x48.rsi/meta.json
similarity index 100%
rename from Resources/Textures/Mobs/Customization/Harpy/harpy_tailsx48.rsi/meta.json
rename to Resources/Textures/Mobs/Customization/Harpy/harpy_tails48x48.rsi/meta.json
diff --git a/Resources/Textures/Mobs/Customization/Harpy/harpy_tailsx48.rsi/peacock_tail_eyes.png b/Resources/Textures/Mobs/Customization/Harpy/harpy_tails48x48.rsi/peacock_tail_eyes.png
similarity index 100%
rename from Resources/Textures/Mobs/Customization/Harpy/harpy_tailsx48.rsi/peacock_tail_eyes.png
rename to Resources/Textures/Mobs/Customization/Harpy/harpy_tails48x48.rsi/peacock_tail_eyes.png
diff --git a/Resources/Textures/Mobs/Customization/Harpy/harpy_tailsx48.rsi/peacock_tail_feathers.png b/Resources/Textures/Mobs/Customization/Harpy/harpy_tails48x48.rsi/peacock_tail_feathers.png
similarity index 100%
rename from Resources/Textures/Mobs/Customization/Harpy/harpy_tailsx48.rsi/peacock_tail_feathers.png
rename to Resources/Textures/Mobs/Customization/Harpy/harpy_tails48x48.rsi/peacock_tail_feathers.png