diff --git a/src/package/install.rs b/src/package/install.rs
index c6e64a1..0cf86d4 100644
--- a/src/package/install.rs
+++ b/src/package/install.rs
@@ -317,8 +317,12 @@ impl Installer {
         let symlink_path = &BIN_PATH.join(&package.pkg_name);
         if symlink_path.exists() {
             if let Ok(link) = symlink_path.read_link() {
+                if *install_path == link {
+                    return Ok(())
+                }
                 if let Ok(parent) = link.strip_prefix(&*PACKAGES_PATH) {
-                    let package_name = &parent.parent().unwrap().to_string_lossy()[9..];
+                    let package_path = parent.parent().unwrap().to_string_lossy();
+                    let package_name = &package_path[..8];
 
                     if package_name == package.full_name('-') {
                         fs::remove_dir_all(link.parent().unwrap()).await?;
diff --git a/src/registry/fetcher.rs b/src/registry/fetcher.rs
index 80cfe16..3d39639 100644
--- a/src/registry/fetcher.rs
+++ b/src/registry/fetcher.rs
@@ -49,7 +49,7 @@ impl MetadataFetcher {
             .map(|(key, packages)| {
                 let package_map: HashMap<String, Vec<Package>> =
                     packages.iter().fold(HashMap::new(), |mut acc, package| {
-                        acc.entry(package.pkg.clone()).or_default().push(Package {
+                        acc.entry(package.pkg.to_lowercase().clone()).or_default().push(Package {
                             family: package
                                 .download_url
                                 .split('/')
diff --git a/src/registry/storage.rs b/src/registry/storage.rs
index 2d8153f..6314e53 100644
--- a/src/registry/storage.rs
+++ b/src/registry/storage.rs
@@ -325,7 +325,7 @@ impl PackageStorage {
                     .flat_map(|(collection_key, map)| {
                         map.get(pkg_name).into_iter().flat_map(|pkgs| {
                             pkgs.iter().filter_map(|pkg| {
-                                if pkg.pkg == pkg_name
+                                if pkg.pkg.to_lowercase() == pkg_name
                                     && (query.family.is_none()
                                         || pkg.family.as_ref() == query.family.as_ref())
                                 {