diff --git a/toolbox/io/in_data_erplab.m b/toolbox/io/in_data_erplab.m
index 0bf74c00f..3aadc9ab3 100644
--- a/toolbox/io/in_data_erplab.m
+++ b/toolbox/io/in_data_erplab.m
@@ -48,7 +48,7 @@
         DataMat(i).Std = ErpMat.ERP.binerror(:,:,i) * 1e-6;
     end
     % History
-    DataMat(i) = bst_history('add', DataMat(i), 'erplab', ErpMat.ERP.history);
+    DataMat(i) = bst_history('add', DataMat(i), 'erplab', ErpMat.ERP.history(:)');
 end
 
 % ===== CHANNEL FILE =====