diff --git a/bin/pyenv-sh-activate b/bin/pyenv-sh-activate
index 2d0ea5b..870b8e7 100755
--- a/bin/pyenv-sh-activate
+++ b/bin/pyenv-sh-activate
@@ -61,7 +61,7 @@ versions=("$@")
 if [ -z "${versions}" ]; then
   no_shell=1
   OLDIFS="$IFS"
-  IFS=: versions=($(pyenv-version-name))
+  IFS=: versions=($(pyenv-version-name 2>/dev/null))
   IFS="$OLDIFS"
 fi