diff --git a/src/routes/settings.import.tsx b/src/routes/settings.import.tsx
index df63109..25a36cc 100644
--- a/src/routes/settings.import.tsx
+++ b/src/routes/settings.import.tsx
@@ -610,6 +610,7 @@ function ImportPage() {
     }
     if (unknownHeaders.length > 0) {
       console.info(`[import:${cfg.key}] skipped unknown columns:`, unknownHeaders);
+      errors.push(`Unrecognized columns ignored: ${unknownHeaders.join(", ")}`);
     }
 
     const mapped: Row[] = [];