diff --git a/src/structures/Guild.js b/src/structures/Guild.js
index b42645452..131e09ff4 100644
--- a/src/structures/Guild.js
+++ b/src/structures/Guild.js
@@ -687,9 +687,10 @@ class Guild {
       if (typeof attachment === 'string' && attachment.startsWith('data:')) {
         resolve(this.client.rest.methods.createEmoji(this, attachment, name, roles));
       } else {
-        this.client.resolver.resolveBuffer(attachment).then(data =>
-          resolve(this.client.rest.methods.createEmoji(this, data, name, roles))
-        );
+        this.client.resolver.resolveBuffer(attachment).then(data => {
+          const dataURI = this.client.resolver.resolveBase64(data);
+          resolve(this.client.rest.methods.createEmoji(this, dataURI, name, roles));
+        });
       }
     });
   }