diff --git a/src/character-card-parser.js b/src/character-card-parser.js
index 15e691adf..53d430b36 100644
--- a/src/character-card-parser.js
+++ b/src/character-card-parser.js
@@ -18,12 +18,17 @@ const parse = async (cardUrl, format) => {
             });
 
             if (textChunks.length === 0) {
-                console.error('PNG metadata does not contain any character data.');
+                console.error('PNG metadata does not contain any text chunks.');
                 throw new Error('No PNG metadata.');
             }
 
             let index = textChunks.findIndex((chunk) => chunk.keyword.toLowerCase() == 'chara');
 
+            if (index === -1) {
+                console.error('PNG metadata does not contain any character data.');
+                throw new Error('No PNG metadata.');
+            }
+
             return Buffer.from(textChunks[index].text, 'base64').toString('utf8');
         }
         default: