diff --git a/Content.Shared/Atmos/AtmosDirection.cs b/Content.Shared/Atmos/AtmosDirection.cs
index 4922500f25..9ea2057e17 100644
--- a/Content.Shared/Atmos/AtmosDirection.cs
+++ b/Content.Shared/Atmos/AtmosDirection.cs
@@ -140,7 +140,7 @@ namespace Content.Shared.Atmos
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public static bool IsFlagSet(this AtmosDirection direction, AtmosDirection other)
         {
-            return (direction & other) != 0;
+            return (direction & other) == other;
         }
     }