diff --git a/code/__HELPERS/icons.dm b/code/__HELPERS/icons.dm
index 99f621919771..0cb07db47ffc 100644
--- a/code/__HELPERS/icons.dm
+++ b/code/__HELPERS/icons.dm
@@ -451,9 +451,9 @@ world
 
 			if (
 				addX1 != flatX1 \
-				&& addX2 != flatX2 \
-				&& addY1 != flatY1 \
-				&& addY2 != flatY2 \
+				|| addX2 != flatX2 \
+				|| addY1 != flatY1 \
+				|| addY2 != flatY2 \
 			)
 				// Resize the flattened icon so the new icon fits
 				flat.Crop(
@@ -464,8 +464,8 @@ world
 				)
 
 				flatX1 = addX1
-				flatX2 = addY1
-				flatY1 = addX2
+				flatX2 = addX2
+				flatY1 = addY1
 				flatY2 = addY2
 
 			// Blend the overlay into the flattened icon