diff --git a/crates/uv-pep440/src/version.rs b/crates/uv-pep440/src/version.rs
index 0886af258470..b66de1a2f186 100644
--- a/crates/uv-pep440/src/version.rs
+++ b/crates/uv-pep440/src/version.rs
@@ -734,7 +734,7 @@ impl std::fmt::Display for Version {
                 LocalVersionSlice::Segments(_) => {
                     format!("+{}", self.local())
                 }
-                LocalVersionSlice::Max => String::new(),
+                LocalVersionSlice::Max => "+".to_string(),
             }
         };
         write!(f, "{epoch}{release}{pre}{post}{dev}{local}")