diff --git a/packages/core/src/structures/application.ts b/packages/core/src/structures/application.ts
index f4bd205..57c284d 100644
--- a/packages/core/src/structures/application.ts
+++ b/packages/core/src/structures/application.ts
@@ -67,7 +67,7 @@ export class Application implements Model {
 		this.session = session;
 
 		this.name = data.name;
-		this.icon = data.icon || undefined;
+		this.icon = data.icon ?? undefined;
 		this.description = data.description;
 		this.rpcOrigins = data.rpc_origins;
 		this.botPublic = data.bot_public;
diff --git a/packages/core/src/structures/components.ts b/packages/core/src/structures/components.ts
index 7da242c..4136a35 100644
--- a/packages/core/src/structures/components.ts
+++ b/packages/core/src/structures/components.ts
@@ -161,7 +161,7 @@ export class SelectMenu extends BaseComponent implements SelectMenuComponent {
 			return <SelectMenuOption>{
 				label: option.label,
 				description: option.description,
-				emoji: option.emoji || new Emoji(session, option.emoji!),
+				emoji: option.emoji ? new Emoji(session, option.emoji) : undefined,
 				value: option.value,
 			};
 		});
diff --git a/packages/core/src/structures/message-reaction.ts b/packages/core/src/structures/message-reaction.ts
index ba67611..c45ec32 100644
--- a/packages/core/src/structures/message-reaction.ts
+++ b/packages/core/src/structures/message-reaction.ts
@@ -70,7 +70,7 @@ export function NewMessageReactionAdd(
 			? new Member(
 					session,
 					data.member as DiscordMemberWithUser,
-					data.guild_id || ''
+					data.guild_id ?? ''
 			  )
 			: undefined,
 		emoji: new Emoji(session, data.emoji),
diff --git a/packages/core/src/utils/util.ts b/packages/core/src/utils/util.ts
index f7add5b..2aa8557 100644
--- a/packages/core/src/utils/util.ts
+++ b/packages/core/src/utils/util.ts
@@ -74,7 +74,7 @@ export type ImageSize = 16 | 32 | 64 | 128 | 256 | 512 | 1024 | 2048 | 4096;
  */
 export abstract class Util {
     static formatImageURL(url: string, size: ImageSize = 128, format?: ImageFormat): string {
-        return `${url}.${format || (url.includes('/a_') ? 'gif' : 'jpg')}?size=${size}`;
+        return `${url}.${format ?? (url.includes('/a_') ? 'gif' : 'jpg')}?size=${size}`;
     }
 
     static iconHashToBigInt(hash: string): bigint {