diff --git a/src/main/resources/trees/mushroom.yml b/src/main/resources/trees/mushroom.yml
index edf238e..0ec48cb 100644
--- a/src/main/resources/trees/mushroom.yml
+++ b/src/main/resources/trees/mushroom.yml
@@ -28,7 +28,7 @@ Parent: default
 Trunk:
 
   # How high does it need to be to qualify as a tree
-  Minimum Height: 5
+  Minimum Height: 4
 
   # One of these materials needs to be part of the trunk for it to count as a trunk
   Materials: