diff --git a/components/email/EmailSidebar.tsx b/components/email/EmailSidebar.tsx
index 40457226..a3c6faae 100644
--- a/components/email/EmailSidebar.tsx
+++ b/components/email/EmailSidebar.tsx
@@ -173,7 +173,9 @@ export default function EmailSidebar({
     let folderUnreadCount = 0;
     
     // Check if this is an inbox folder (only show unread counts for inbox folders)
-    const isInboxFolder = baseFolderName.toLowerCase().includes('inbox');
+    // Use exact matching instead of includes() to avoid matching substrings in folder names
+    const folderLower = baseFolderName.toLowerCase();
+    const isInboxFolder = folderLower === 'inbox';
     
     // Only calculate unread count for inbox folders
     if (isInboxFolder && unreadCount && unreadCount[accountId]) {