diff --git a/packages/hurl_core/src/format/html.rs b/packages/hurl_core/src/format/html.rs
index 0e58246ad..1ae63e774 100644
--- a/packages/hurl_core/src/format/html.rs
+++ b/packages/hurl_core/src/format/html.rs
@@ -256,7 +256,7 @@ impl HtmlFormatter {
         match retry {
             Retry::Finite(n) => self.fmt_number(n),
             Retry::Infinite => self.fmt_number(-1),
-            _ => {}
+            Retry::None => self.fmt_number(0),
         };
     }