diff --git a/src/main/java/forestry/plugins/PluginArboriculture.java b/src/main/java/forestry/plugins/PluginArboriculture.java
index e7b5af342..b7772d3d0 100644
--- a/src/main/java/forestry/plugins/PluginArboriculture.java
+++ b/src/main/java/forestry/plugins/PluginArboriculture.java
@@ -1181,6 +1181,12 @@ public class PluginArboriculture extends ForestryPlugin {
 				if (ForestryItem.sapling.isItemEqual(fuel))
 					return 100;
 
+				for (ForestryBlock slab : slabs) {
+					if (slab.isItemEqual(fuel)) {
+						return 150;
+					}
+				}
+
 				return 0;
 			}
 		};