diff --git a/modules/completion/helm/config.el b/modules/completion/helm/config.el
index 6725c05e1..092932939 100644
--- a/modules/completion/helm/config.el
+++ b/modules/completion/helm/config.el
@@ -62,7 +62,7 @@
 
   (defun +helm*hide-minibuffer-maybe ()
     "Hide minibuffer in Helm session if we use the header line as input field."
-    (when (buffer-local-value 'helm-echo-input-in-header-line (helm-buffer-get))
+    (when (with-helm-buffer helm-echo-input-in-header-line)
       (let ((ov (make-overlay (point-min) (point-max) nil nil t)))
         (overlay-put ov 'window (selected-window))
         (overlay-put ov 'face