Fix operator preference at loop.index

3 files changed, 3 insertions, 3 deletions

diff --git a/askama_derive/src/generator.rs b/askama_derive/src/generator.rs
index d0ac030..b6b5146 100644
--- a/askama_derive/src/generator.rs
+++ b/askama_derive/src/generator.rs
@@ -748,7 +748,7 @@ impl<'a> Generator<'a> {
         if let Expr::Var(name) = *obj {
             if name == "loop" {
                 if attr == "index" {
-                    buf.write("_loop_index + 1");
+                    buf.write("(_loop_index + 1)");
                     return DisplayWrap::Unwrapped;
                 } else if attr == "index0" {
                     buf.write("_loop_index");
diff --git a/testing/templates/precedence-for.html b/testing/templates/precedence-for.html
index e5f7e8b..c8d2cdd 100644
--- a/testing/templates/precedence-for.html
+++ b/testing/templates/precedence-for.html
@@ -1,3 +1,3 @@
 {% for s in strings %}
-    {{- loop.index0 }}. {{ s }}{% if !loop.first %}{% else %} (first){% endif %}
+    {{- loop.index0 }}. {{ s }}{{ 2 * loop.index }}{% if !loop.first %}{% else %} (first){% endif %}
 {% endfor %}
diff --git a/testing/tests/loops.rs b/testing/tests/loops.rs
index 6c2f35d..70ebb21 100644
--- a/testing/tests/loops.rs
+++ b/testing/tests/loops.rs
@@ -44,5 +44,5 @@ fn test_precedence_for() {
     let s = PrecedenceTemplate {
         strings: vec!["A", "alfa", "1"],
     };
-    assert_eq!(s.render().unwrap(), "0. A (first)\n1. alfa\n2. 1\n");
+    assert_eq!(s.render().unwrap(), "0. A2 (first)\n1. alfa4\n2. 16\n");
 }