diff --git a/crates/uv-resolver/src/lock/mod.rs b/crates/uv-resolver/src/lock/mod.rs
index 5af4377b9..0b72014a8 100644
--- a/crates/uv-resolver/src/lock/mod.rs
+++ b/crates/uv-resolver/src/lock/mod.rs
@@ -2371,7 +2371,13 @@ impl Package {
         let sdist = match &self.id.source {
             Source::Path(path) => {
                 // A direct path source can also be a wheel, so validate the extension.
-                let DistExtension::Source(ext) = DistExtension::from_path(path)? else {
+                let DistExtension::Source(ext) = DistExtension::from_path(path).map_err(|err| {
+                    LockErrorKind::MissingExtension {
+                        id: self.id.clone(),
+                        err,
+                    }
+                })?
+                else {
                     return Ok(None);
                 };
                 let install_path = absolute_path(workspace_root, path)?;
@@ -2444,7 +2450,14 @@ impl Package {
             }
             Source::Direct(url, direct) => {
                 // A direct URL source can also be a wheel, so validate the extension.
-                let DistExtension::Source(ext) = DistExtension::from_path(url.as_ref())? else {
+                let DistExtension::Source(ext) =
+                    DistExtension::from_path(url.base_str()).map_err(|err| {
+                        LockErrorKind::MissingExtension {
+                            id: self.id.clone(),
+                            err,
+                        }
+                    })?
+                else {
                     return Ok(None);
                 };
                 let location = url.to_url().map_err(LockErrorKind::InvalidUrl)?;
@@ -2483,7 +2496,12 @@ impl Package {
                     .ok_or_else(|| LockErrorKind::MissingFilename {
                         id: self.id.clone(),
                     })?;
-                let ext = SourceDistExtension::from_path(filename.as_ref())?;
+                let ext = SourceDistExtension::from_path(filename.as_ref()).map_err(|err| {
+                    LockErrorKind::MissingExtension {
+                        id: self.id.clone(),
+                        err,
+                    }
+                })?;
                 let file = Box::new(uv_distribution_types::File {
                     dist_info_metadata: false,
                     filename: SmallString::from(filename),
@@ -2535,7 +2553,12 @@ impl Package {
                     .ok_or_else(|| LockErrorKind::MissingFilename {
                         id: self.id.clone(),
                     })?;
-                let ext = SourceDistExtension::from_path(filename.as_ref())?;
+                let ext = SourceDistExtension::from_path(filename.as_ref()).map_err(|err| {
+                    LockErrorKind::MissingExtension {
+                        id: self.id.clone(),
+                        err,
+                    }
+                })?;
                 let file = Box::new(uv_distribution_types::File {
                     dist_info_metadata: false,
                     filename: SmallString::from(filename),
@@ -5222,8 +5245,13 @@ enum LockErrorKind {
     ),
     /// An error that occurs when the extension can't be determined
     /// for a given wheel or source distribution.
-    #[error("Failed to parse file extension; expected one of: {0}")]
-    MissingExtension(#[from] ExtensionError),
+    #[error("Failed to parse file extension for `{id}`; expected one of: {err}", id = id.cyan())]
+    MissingExtension {
+        /// The filename that was expected to have an extension.
+        id: PackageId,
+        /// The list of valid extensions that were expected.
+        err: ExtensionError,
+    },
     /// Failed to parse a Git source URL.
     #[error("Failed to parse Git URL")]
     InvalidGitSourceUrl(
diff --git a/crates/uv/tests/it/sync.rs b/crates/uv/tests/it/sync.rs
index e6fe831d3..9da2fb62a 100644
--- a/crates/uv/tests/it/sync.rs
+++ b/crates/uv/tests/it/sync.rs
@@ -9943,3 +9943,32 @@ fn sync_required_environment_hint() -> Result<()> {
 
     Ok(())
 }
+
+#[test]
+fn sync_url_with_query_parameters() -> Result<()> {
+    let context = TestContext::new("3.13").with_exclude_newer("2025-03-24T19:00:00Z");
+
+    let pyproject_toml = context.temp_dir.child("pyproject.toml");
+    pyproject_toml.write_str(r#"
+        [project]
+        name = "example"
+        version = "0.1.0"
+        requires-python = ">=3.13.2"
+        dependencies = ["source-distribution @ https://files.pythonhosted.org/packages/1f/e5/5b016c945d745f8b108e759d428341488a6aee8f51f07c6c4e33498bb91f/source_distribution-0.0.3.tar.gz?foo=bar"]
+        "#
+    )?;
+
+    uv_snapshot!(context.filters(), context.sync(), @r"
+    success: true
+    exit_code: 0
+    ----- stdout -----
+
+    ----- stderr -----
+    Resolved 2 packages in [TIME]
+    Prepared 1 package in [TIME]
+    Installed 1 package in [TIME]
+     + source-distribution==0.0.3 (from https://files.pythonhosted.org/packages/1f/e5/5b016c945d745f8b108e759d428341488a6aee8f51f07c6c4e33498bb91f/source_distribution-0.0.3.tar.gz?foo=bar)
+    ");
+
+    Ok(())
+}