diff --git a/components/versions/vote-buttons.js b/components/versions/vote-buttons.js
index 3b5d05e..03c1385 100644
--- a/components/versions/vote-buttons.js
+++ b/components/versions/vote-buttons.js
@@ -55,7 +55,7 @@ export default function VoteButtons({versionId, isDisabled = false, hasCountsVis
       if (onVoteResult) {
         onVoteResult({
           success: false,
-          message: `Erreur lors du vote: ${error}`
+          message: error.message || 'Erreur lors du vote'
         })
       }
     }
diff --git a/lib/directus.js b/lib/directus.js
index eae680f..a8d0157 100644
--- a/lib/directus.js
+++ b/lib/directus.js
@@ -326,7 +326,19 @@ export async function handleVote({
     return voteValue
   } catch (error) {
     console.error('Error voting:', error)
-    throw error
+
+    // Extract error message from Directus error object
+    let errorMessage = 'Une erreur est survenue lors du vote'
+
+    if (error?.errors?.[0]?.message) {
+      errorMessage = error.errors[0].message
+    } else if (error?.message) {
+      errorMessage = error.message
+    } else if (typeof error === 'string') {
+      errorMessage = error
+    }
+
+    throw new Error(errorMessage)
   }
 }