diff --git a/src/command/join.rs b/src/command/join.rs
index 279ac78..dcdd0a2 100644
--- a/src/command/join.rs
+++ b/src/command/join.rs
@@ -234,7 +234,7 @@ impl EventHandler for Handler {
 #[tracing::instrument(skip(state))]
 pub async fn handle(state: State, interaction: Interaction) {
     let guild_and_voice_channel_id_res =
-        get_guild_and_voice_channel_id(&interaction, &state.vcs_watcher.borrow());
+        { get_guild_and_voice_channel_id(&interaction, &state.vcs_watcher.borrow()) };
     let (guild_id, voice_channel_id) = match guild_and_voice_channel_id_res {
         Ok((guild_id, voice_channel_id)) => (guild_id, voice_channel_id),
         Err(error) => {
diff --git a/src/command/leave.rs b/src/command/leave.rs
index 7561df6..8c2fe08 100644
--- a/src/command/leave.rs
+++ b/src/command/leave.rs
@@ -80,11 +80,13 @@ fn get_guild_and_vc_error_to_embed(error: GetGuildAndVoiceChannelIdError) -> Emb
 
 #[tracing::instrument]
 pub async fn handle(state: State, interaction: Interaction) {
-    let user_and_guild_and_voice_channel_id_res = get_user_and_guild_and_voice_channel_id(
-        state.discord_user_id,
-        &interaction,
-        &state.vcs_watcher.borrow(),
-    );
+    let user_and_guild_and_voice_channel_id_res = {
+        get_user_and_guild_and_voice_channel_id(
+            state.discord_user_id,
+            &interaction,
+            &state.vcs_watcher.borrow(),
+        )
+    };
     let (user_id, guild_id, voice_channel_id) = match user_and_guild_and_voice_channel_id_res {
         Ok((user_id, guild_id, voice_channel_id)) => (user_id, guild_id, voice_channel_id),
         Err(error) => {