diff --git a/CHANGELOG.md b/CHANGELOG.md
index d68bec93..3100351a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,7 +2,12 @@
 
 All notable changes to this project will be documented in this file.
 
-<!--## Unreleased-->
+## Unreleased
+
+### Fixed
+
+* [#89](https://github.com/mickael-menu/zk/issues/89) Calling `zk index` from outside the notebook (contributed by [@adamreese](https://github.com/mickael-menu/zk/pull/90)).
+
 
 ## 0.7.0
 
diff --git a/internal/core/note_index.go b/internal/core/note_index.go
index a4988ace..d958617f 100644
--- a/internal/core/note_index.go
+++ b/internal/core/note_index.go
@@ -123,7 +123,7 @@ func (t *indexTask) execute(callback func(change paths.DiffChange)) (NoteIndexin
 	// FIXME: Use the FS?
 	count, err := paths.Diff(source, target, force, func(change paths.DiffChange) error {
 		callback(change)
-		absPath := filepath.Join(change.Path)
+		absPath := filepath.Join(t.path, change.Path)
 
 		switch change.Kind {
 		case paths.DiffAdded: