diff --git a/src/subconscious/digest.rs b/src/subconscious/digest.rs
index 5791044..9cc92ef 100644
--- a/src/subconscious/digest.rs
+++ b/src/subconscious/digest.rs
@@ -156,8 +156,8 @@ fn gather(level: &DigestLevel, store: &Store, arg: &str) -> Result<GatherResult,
         // Leaf level: scan store for episodic entries matching date
         let mut entries: Vec<_> = store.nodes.iter()
             .filter(|(_, n)| n.node_type == store::NodeType::EpisodicSession
-                && n.timestamp > 0
-                && store::format_date(n.timestamp) == label)
+                && n.created_at > 0
+                && store::format_date(n.created_at) == label)
             .map(|(key, n)| {
                 (store::format_datetime(n.timestamp), n.content.clone(), key.clone())
             })
@@ -298,8 +298,8 @@ pub fn digest_auto(store: &mut Store) -> Result<(), String> {
 
     // Collect all dates with episodic entries
     let dates: Vec<String> = store.nodes.values()
-        .filter(|n| n.node_type == store::NodeType::EpisodicSession && n.timestamp > 0)
-        .map(|n| store::format_date(n.timestamp))
+        .filter(|n| n.node_type == store::NodeType::EpisodicSession && n.created_at > 0)
+        .map(|n| store::format_date(n.created_at))
         .collect::<BTreeSet<_>>()
         .into_iter()
         .collect();