diff --git a/Release_Notes.txt b/Release_Notes.txt
index fe1b342..d6db4e4 100644
--- a/Release_Notes.txt
+++ b/Release_Notes.txt
@@ -1,3 +1,7 @@
+Version 5.1
+
+* Fix for #656 removeCondition errors when a condition does not exist in statusEffects 
+
 Version 5.0
 * Updated for Foundry vtt version 12
 
diff --git a/script/common/actor.js b/script/common/actor.js
index d7a1874..fb4d43a 100644
--- a/script/common/actor.js
+++ b/script/common/actor.js
@@ -773,14 +773,15 @@ export class SymbaroumActor extends Actor {
 
 	async addCondition(effect, flagData) {
 		if (typeof effect === "string") {
-			effect = foundry.utils.duplicate(CONFIG.statusEffects.find((e) => e.id == effect));
+			effect = CONFIG.statusEffects.find((e) => e.id == effect);
 		}
 		if (!effect) return "No Effect Found";
 		if (!effect.id) return "Conditions require an id field";
 
 		let existing = this.hasCondition(effect.id);
 
-		if (!existing) {			
+		if (!existing) {
+			effect = foundry.utils.duplicate(effect);
 			effect.label = game.i18n.localize(effect.label)?.replace(/(^\w{1})|(\s+\w{1})/g, (letter) => letter.toUpperCase());
 			effect.name = game.i18n.localize(effect.name)?.replace(/(^\w{1})|(\s+\w{1})/g, (letter) => letter.toUpperCase());
 			if (foundry.utils.isNewerVersion('11', game.version) ) {
@@ -796,7 +797,7 @@ export class SymbaroumActor extends Actor {
 	}
 
 	async removeCondition(effect) {
-		if (typeof effect === "string") effect = foundry.utils.duplicate(CONFIG.statusEffects.find((e) => e.id == effect));
+		if (typeof effect === "string") effect = CONFIG.statusEffects.find((e) => e.id == effect);
 		if (!effect) return "No Effect Found";
 		if (!effect.id) return "Conditions require an id field";
 		let existing = this.hasCondition(effect.id);
diff --git a/system.json b/system.json
index d720442..f78cc7f 100644
--- a/system.json
+++ b/system.json
@@ -2,7 +2,7 @@
 	"id": "symbaroum",
 	"title": "Symbaroum",
 	"description": "Twilight falls. Davokar darkens.",
-	"version": "5.0.0",
+	"version": "5.1.0",
 	"compatibility": {
 		"minimum": 12,
 		"verified": 12,