diff --git a/server/block/hash.go b/server/block/hash.go
index 651923655..7aafb09ef 100644
--- a/server/block/hash.go
+++ b/server/block/hash.go
@@ -83,6 +83,7 @@ const (
 	hashGrindstone
 	hashHayBale
 	hashHoneycomb
+	hashHopper
 	hashInvisibleBedrock
 	hashIron
 	hashIronBars
@@ -497,6 +498,10 @@ func (Honeycomb) BaseHash() uint64 {
 	return hashHoneycomb
 }
 
+func (Hopper) BaseHash() uint64 {
+	return hashHopper
+}
+
 func (InvisibleBedrock) BaseHash() uint64 {
 	return hashInvisibleBedrock
 }
@@ -1169,6 +1174,10 @@ func (Honeycomb) Hash() uint64 {
 	return 0
 }
 
+func (h Hopper) Hash() uint64 {
+	return uint64(h.Facing) | uint64(boolByte(h.Powered))<<3
+}
+
 func (InvisibleBedrock) Hash() uint64 {
 	return 0
 }