diff --git a/libexec/rbenv-version-origin b/libexec/rbenv-version-origin
index a9d21c4c..3f1d4f03 100755
--- a/libexec/rbenv-version-origin
+++ b/libexec/rbenv-version-origin
@@ -3,6 +3,8 @@
 set -e
 [ -n "$RBENV_DEBUG" ] && set -x
 
+unset RBENV_VERSION_ORIGIN
+
 OLDIFS="$IFS"
 IFS=$'\n' scripts=(`rbenv-hooks version-origin`)
 IFS="$OLDIFS"
diff --git a/test/version-origin.bats b/test/version-origin.bats
index fed0aaa5..e0576648 100644
--- a/test/version-origin.bats
+++ b/test/version-origin.bats
@@ -52,3 +52,8 @@ setup() {
 
   assert_success "plugin"
 }
+
+@test "doesn't inherit RBENV_VERSION_ORIGIN from environment" {
+  RBENV_VERSION_ORIGIN=ignored run rbenv-version-origin
+  assert_success "${RBENV_ROOT}/version"
+}