diff --git a/internal/adapter/lsp/server.go b/internal/adapter/lsp/server.go
index 8ff8e7e..a545d88 100644
--- a/internal/adapter/lsp/server.go
+++ b/internal/adapter/lsp/server.go
@@ -143,7 +143,12 @@ func NewServer(opts ServerOpts) *Server {
 			return nil
 		}
 
-		path := fs.Canonical(strings.TrimPrefix(params.TextDocument.URI, "file://"))
+		path, err := uriToPath(params.TextDocument.URI)
+		if err != nil {
+			server.logger.Printf("unable to parse URI: %v", err)
+			return nil
+		}
+		path = fs.Canonical(path)
 
 		server.documents[params.TextDocument.URI] = &document{
 			Path:    path,
@@ -243,8 +248,14 @@ func NewServer(opts ServerOpts) *Server {
 			return nil, err
 		}
 
-		target = strings.TrimPrefix(target, "file://")
-		contents, err := ioutil.ReadFile(target)
+		path, err := uriToPath(target)
+		if err != nil {
+			server.logger.Printf("unable to parse URI: %v", err)
+			return nil, err
+		}
+		path = fs.Canonical(path)
+
+		contents, err := ioutil.ReadFile(path)
 		if err != nil {
 			return nil, err
 		}
@@ -349,7 +360,8 @@ func (s *Server) targetForHref(href string, doc *document, notebook *core.Notebo
 		if note == nil {
 			return "", nil
 		}
-		return "file://" + filepath.Join(notebook.Path, note.Path), nil
+		joined_path := filepath.Join(notebook.Path, note.Path)
+		return pathToURI(joined_path), nil
 	}
 }
 
diff --git a/internal/adapter/lsp/util.go b/internal/adapter/lsp/util.go
new file mode 100644
index 0000000..2a064ff
--- /dev/null
+++ b/internal/adapter/lsp/util.go
@@ -0,0 +1,27 @@
+package lsp
+
+import (
+	"net/url"
+	"github.com/mickael-menu/zk/internal/util/errors"
+)
+
+func pathToURI(path string) string {
+	u := &url.URL{
+		Scheme:   "file",
+		Path:     path,
+	}
+	return u.String()
+}
+
+
+func uriToPath(uri string) (string, error) {
+	parsed, err := url.Parse(uri)
+	if err != nil {
+		return "", err
+	}
+	if parsed.Scheme != "file" {
+		return "", errors.New("URI was not a file:// URI")
+	}
+	return parsed.Path, nil
+}
+