diff --git a/src/main/java/li/cil/oc2/common/blockentity/RedstoneInterfaceBlockEntity.java b/src/main/java/li/cil/oc2/common/blockentity/RedstoneInterfaceBlockEntity.java
index 31c71ced..d8df75c5 100644
--- a/src/main/java/li/cil/oc2/common/blockentity/RedstoneInterfaceBlockEntity.java
+++ b/src/main/java/li/cil/oc2/common/blockentity/RedstoneInterfaceBlockEntity.java
@@ -304,7 +304,7 @@ public final class RedstoneInterfaceBlockEntity extends ModBlockEntity implement
         }
 
         final BlockPos pos = getBlockPos();
-        final Direction direction = Side.relativeDirection(fromPos, pos);
+        final Direction direction = Side.relativeDirection(pos, fromPos);
         assert direction != null;
 
         final ChunkPos chunkPos = new ChunkPos(fromPos);