diff --git a/client/src/bin/space-cli.rs b/client/src/bin/space-cli.rs
index 3e89fe6..7a7b811 100644
--- a/client/src/bin/space-cli.rs
+++ b/client/src/bin/space-cli.rs
@@ -905,7 +905,7 @@ async fn handle_commands(cli: &SpaceCli, command: Commands) -> Result<(), Client
             match event.space() {
                 None if anchor => event
                     .tags
-                    .insert(0, NostrTag(vec!["space".to_string(), space.clone()])),
+                    .insert(0, NostrTag(vec!["s".to_string(), space.clone()])),
                 Some(tag) => {
                     if tag != space {
                         return Err(ClientError::Custom(format!(
diff --git a/wallet/src/nostr.rs b/wallet/src/nostr.rs
index e3baf38..17c4a06 100644
--- a/wallet/src/nostr.rs
+++ b/wallet/src/nostr.rs
@@ -48,7 +48,7 @@ impl NostrEvent {
             .iter()
             .find(|tag| {
                 if tag.0.len() >= 1 {
-                    tag.0[0] == "space"
+                    tag.0[0] == "s"
                 } else {
                     false
                 }