diff --git a/src/components/compose.jsx b/src/components/compose.jsx
index d9fa4c6d..a090873d 100644
--- a/src/components/compose.jsx
+++ b/src/components/compose.jsx
@@ -699,6 +699,17 @@ function Compose({
           }
           // TODO: check for URLs and use `charactersReservedPerUrl` to calculate max characters
 
+          if (mediaAttachments.length > 0) {
+            // If there are media attachments, check if they have no descriptions
+            const noDescription = mediaAttachments.some(
+              (media) => !media.description?.trim(),
+            );
+            if (noDescription) {
+              const yes = confirm('Some media have no descriptions. Continue?');
+              if (!yes) return;
+            }
+          }
+
           // Post-cleanup
           spoilerText = (sensitive && spoilerText) || undefined;
           status = status === '' ? undefined : status;
diff --git a/src/components/status.jsx b/src/components/status.jsx
index d544d2f5..a2f78172 100644
--- a/src/components/status.jsx
+++ b/src/components/status.jsx
@@ -271,7 +271,15 @@ function Status({
     }
     try {
       if (!reblogged) {
-        const yes = confirm('Boost this post?');
+        // Check if media has no descriptions
+        const hasNoDescriptions = mediaAttachments.some(
+          (attachment) => !attachment.description?.trim?.(),
+        );
+        let confirmText = 'Boost this post?';
+        if (hasNoDescriptions) {
+          confirmText += '\n\n⚠️ Some media have no descriptions.';
+        }
+        const yes = confirm(confirmText);
         if (!yes) {
           return;
         }