redirect stderr to stdout.

1 files changed, 1 insertions, 1 deletions

diff --git a/configure b/configure
index 8d7d333db..8f456dd8c 100755
--- a/configure
+++ b/configure
@@ -88,7 +88,7 @@ else
 fi
 
 if existence yarn; then
-    if yarn help | grep "No such file or directory"; then
+    if yarn help 2>&1 | grep "No such file or directory"; then
         echo "ERROR: wrong yarn binary installed, please remove the"
         echo "ERROR: conflicting binary before continuing."
         if existence cmdtest; then