diff --git a/src/interface/desktop/main.js b/src/interface/desktop/main.js
index f455db25..32c58a23 100644
--- a/src/interface/desktop/main.js
+++ b/src/interface/desktop/main.js
@@ -106,6 +106,7 @@ function filenameToMimeType (filename) {
         case 'org':
             return 'text/org';
         default:
+            console.warn(`Unknown file type: ${extension}. Defaulting to text/plain.`);
             return 'text/plain';
     }
 }
diff --git a/src/interface/obsidian/src/utils.ts b/src/interface/obsidian/src/utils.ts
index 91a398ac..11b6ac07 100644
--- a/src/interface/obsidian/src/utils.ts
+++ b/src/interface/obsidian/src/utils.ts
@@ -43,6 +43,7 @@ function filenameToMimeType (filename: TFile): string {
         case 'org':
             return 'text/org';
         default:
+            console.warn(`Unknown file type: ${filename.extension}. Defaulting to text/plain.`);
             return 'text/plain';
     }
 }