diff --git a/src/fetch/mod.rs b/src/fetch/mod.rs
index b9ba618..e761a5e 100644
--- a/src/fetch/mod.rs
+++ b/src/fetch/mod.rs
@@ -108,8 +108,10 @@ impl<S> FromRequestParts<S> for IncomingInfo {
                 .get_all("via")
                 .into_iter()
                 .fold(String::new(), |mut acc, v| {
+                    if !acc.is_empty() {
+                        acc.push_str(", ");
+                    }
                     acc.push_str(v.to_str().unwrap_or_default());
-                    acc.push_str(", ");
                     acc
                 }),
         })