diff --git a/Resources/Prototypes/Entities/Structures/Windows/mining.yml b/Resources/Prototypes/Entities/Structures/Windows/mining.yml
index fc49b9e401c..df5c4bdce90 100644
--- a/Resources/Prototypes/Entities/Structures/Windows/mining.yml
+++ b/Resources/Prototypes/Entities/Structures/Windows/mining.yml
@@ -66,7 +66,7 @@
     state: state0
   - type: IconSmooth
     mode: Diagonal
-    key: windows
+    key: walls #corvax smooth
     base: state
   - type: Icon
     sprite: Structures/Windows/mining_diagonal.rsi