diff --git a/src/com/shatteredpixel/shatteredpixeldungeon/items/artifacts/SandalsOfNature.java b/src/com/shatteredpixel/shatteredpixeldungeon/items/artifacts/SandalsOfNature.java
index af20c7d60..1b5c3e8d7 100644
--- a/src/com/shatteredpixel/shatteredpixeldungeon/items/artifacts/SandalsOfNature.java
+++ b/src/com/shatteredpixel/shatteredpixeldungeon/items/artifacts/SandalsOfNature.java
@@ -154,7 +154,7 @@ public class SandalsOfNature extends Artifact {
 
 	public class Naturalism extends ArtifactBuff{
 		public void charge() {
-			if (charge < target.HT){
+			if (level() > 0 && charge < target.HT){
 				//gain 1+(1*level)% of the difference between current charge and max HP.
 				charge+= (Math.round( (target.HT-charge) * (.01+ level()*0.01) ));
 				updateQuickslot();