diff --git a/crates/install-wheel-rs/src/wheel.rs b/crates/install-wheel-rs/src/wheel.rs
index f1444d1a9..384b024ab 100644
--- a/crates/install-wheel-rs/src/wheel.rs
+++ b/crates/install-wheel-rs/src/wheel.rs
@@ -1030,8 +1030,12 @@ pub fn find_dist_info(
     filename: &WheelFilename,
     archive: &mut ZipArchive<impl Read + Seek + Sized>,
 ) -> Result<String, Error> {
-    let dist_info_matcher =
-        format!("{}-{}", filename.distribution, filename.version).to_lowercase();
+    let dist_info_matcher = format!(
+        "{}-{}",
+        filename.distribution.as_dist_info_name(),
+        filename.version
+    )
+    .to_lowercase();
     let dist_infos: Vec<_> = archive
         .file_names()
         .filter_map(|name| name.split_once('/'))
diff --git a/crates/puffin-normalize/src/package_name.rs b/crates/puffin-normalize/src/package_name.rs
index d569dfb76..19f89d93a 100644
--- a/crates/puffin-normalize/src/package_name.rs
+++ b/crates/puffin-normalize/src/package_name.rs
@@ -36,6 +36,13 @@ impl PackageName {
         normalized.make_ascii_lowercase();
         Self(normalized)
     }
+
+    /// Escape this name with underscores (`_`) instead of dashes (`-`)
+    ///
+    /// See: <https://packaging.python.org/en/latest/specifications/recording-installed-packages/#recording-installed-packages>
+    pub fn as_dist_info_name(&self) -> String {
+        self.0.replace('-', "_")
+    }
 }
 
 impl AsRef<str> for PackageName {