diff --git a/src/vm/extensions/block/index.js b/src/vm/extensions/block/index.js
index 9dfd80d..915cbfe 100644
--- a/src/vm/extensions/block/index.js
+++ b/src/vm/extensions/block/index.js
@@ -2872,6 +2872,7 @@ class MbitMoreBlocks {
             // 0|1 pattern.
             matrixData = matrixString.replace(/\s/g, '')
                 .split('');
+            // eslint-disable-next-line no-confusing-arrow
             matrixData = matrixData.map(level => ((level === '0') ? 0 : 100));
         }
         matrixData = matrixData.map(brightness =>