1 files changed, 4 insertions, 0 deletions

diff --git a/src/BlockEntities/RedstonePoweredEntity.h b/src/BlockEntities/RedstonePoweredEntity.h
index aebba771f..7d6904442 100644
--- a/src/BlockEntities/RedstonePoweredEntity.h
+++ b/src/BlockEntities/RedstonePoweredEntity.h
@@ -1,9 +1,13 @@
 
+#pragma once
 
 // Interface class representing a blockEntity that responds to redstone
 class cRedstonePoweredEntity
 {
 public:
+
+	virtual ~cRedstonePoweredEntity() {};
+
 /// Sets the internal redstone power flag to "on" or "off", depending on the parameter. Calls Activate() if appropriate
 	virtual void SetRedstonePower(bool a_IsPowered) = 0;
 };