diff --git a/src/main/kotlin/ru/dbotthepony/mc/otm/block/entity/cable/EnergyCableGraph.kt b/src/main/kotlin/ru/dbotthepony/mc/otm/block/entity/cable/EnergyCableGraph.kt
index 44d87611f..e6b8eb77f 100644
--- a/src/main/kotlin/ru/dbotthepony/mc/otm/block/entity/cable/EnergyCableGraph.kt
+++ b/src/main/kotlin/ru/dbotthepony/mc/otm/block/entity/cable/EnergyCableGraph.kt
@@ -190,7 +190,7 @@ class EnergyCableGraph : GraphNodeList<EnergyCableBlockEntity.Node, EnergyCableG
 				var i = 20
 
 				for (index in 0 .. 16) {
-					if (lastPoweredSwitchFrequency and (index shl index) != 0) {
+					if (lastPoweredSwitchFrequency and (1 shl index) != 0) {
 						i--
 					}
 				}