diff --git a/libexec/rbenv-sh-rehash b/libexec/rbenv-sh-rehash
index 2fcd3e4..a81dae7 100755
--- a/libexec/rbenv-sh-rehash
+++ b/libexec/rbenv-sh-rehash
@@ -15,11 +15,9 @@ rbenv-rehash
 
 case "$shell" in
 fish )
-  or='; or'
+  # no rehash support
   ;;
 * )
-  or='||'
+  echo "hash -r 2>/dev/null || true"
   ;;
 esac
-
-echo "hash -r 2>/dev/null $or true"
diff --git a/test/rehash.bats b/test/rehash.bats
index 54f0f4a..ba12a24 100755
--- a/test/rehash.bats
+++ b/test/rehash.bats
@@ -109,6 +109,6 @@ SH
 @test "sh-rehash in fish" {
   create_executable "2.0" "ruby"
   RBENV_SHELL=fish run rbenv-sh-rehash
-  assert_success "hash -r 2>/dev/null ; or true"
+  assert_success ""
   assert [ -x "${RBENV_ROOT}/shims/ruby" ]
 }