diff --git a/src/com/shatteredpixel/shatteredpixeldungeon/items/armor/Armor.java b/src/com/shatteredpixel/shatteredpixeldungeon/items/armor/Armor.java
index 7907aab72..10e5d77f4 100644
--- a/src/com/shatteredpixel/shatteredpixeldungeon/items/armor/Armor.java
+++ b/src/com/shatteredpixel/shatteredpixeldungeon/items/armor/Armor.java
@@ -215,7 +215,7 @@ public class Armor extends EquipableItem {
 	public Item upgrade( boolean inscribe ) {
 		
 		if (glyph != null) {
-			if (!inscribe && Random.Int( level() ) > 0) {
+			if (!inscribe && Random.Float() > Math.pow(0.9, level())) {
 				GLog.w( Messages.get(Armor.class, "incompatible") );
 				inscribe( null );
 			}
diff --git a/src/com/shatteredpixel/shatteredpixeldungeon/items/weapon/Weapon.java b/src/com/shatteredpixel/shatteredpixeldungeon/items/weapon/Weapon.java
index 16703423b..b5b01da41 100644
--- a/src/com/shatteredpixel/shatteredpixeldungeon/items/weapon/Weapon.java
+++ b/src/com/shatteredpixel/shatteredpixeldungeon/items/weapon/Weapon.java
@@ -180,7 +180,7 @@ abstract public class Weapon extends KindOfWeapon {
 	
 	public Item upgrade( boolean enchant ) {
 		if (enchantment != null) {
-			if (!enchant && Random.Int( level() ) > 0) {
+			if (!enchant && Random.Float() > Math.pow(0.9, level())) {
 				GLog.w( Messages.get(Weapon.class, "incompatible") );
 				enchant( null );
 			}