diff --git a/common/src/cmd.rs b/common/src/cmd.rs
index 1131284c96..ea56970e7b 100644
--- a/common/src/cmd.rs
+++ b/common/src/cmd.rs
@@ -534,7 +534,7 @@ impl ServerChatCommand {
             ),
             ServerChatCommand::Campfire => cmd(vec![], "Spawns a campfire", Some(Admin)),
             ServerChatCommand::ClearPersistedTerrain => cmd(
-                vec![Integer("radius", 6, Required)],
+                vec![Integer("chunk_radius", 6, Required)],
                 "Clears nearby persisted terrain",
                 Some(Admin),
             ),
@@ -723,7 +723,7 @@ impl ServerChatCommand {
                 Some(Admin),
             ),
             ServerChatCommand::ReloadChunks => cmd(
-                vec![Integer("radius", 6, Optional)],
+                vec![Integer("chunk_radius", 6, Optional)],
                 "Reloads chunks loaded on the server",
                 Some(Admin),
             ),
diff --git a/server/src/cmd.rs b/server/src/cmd.rs
index c8c0a52e74..65cf2841f7 100644
--- a/server/src/cmd.rs
+++ b/server/src/cmd.rs
@@ -2023,7 +2023,8 @@ fn handle_clear_persisted_terrain(
     let Some(radius) = parse_cmd_args!(args, i32) else {
         return Err(Content::Plain(action.help_string()));
     };
-    let radius = radius.min(64);
+    // Clamp the radius to prevent accidentally passing too large radiuses
+    let radius = radius.clamp(0, 64);
 
     let pos = position(server, target, "target")?;
     let chunk_key = server.state.terrain().pos_key(pos.0.as_());
@@ -3742,7 +3743,7 @@ fn handle_reload_chunks(
     let radius = parse_cmd_args!(args, i32);
 
     let pos = position(server, target, "target")?.0;
-    let removed = reload_chunks_inner(server, pos, radius.map(|radius| radius.min(64)));
+    let removed = reload_chunks_inner(server, pos, radius.map(|radius| radius.clamp(0, 64)));
 
     server.notify_client(
         client,
diff --git a/server/src/terrain_persistence.rs b/server/src/terrain_persistence.rs
index 7965b8aa17..d48dbf993e 100644
--- a/server/src/terrain_persistence.rs
+++ b/server/src/terrain_persistence.rs
@@ -246,9 +246,6 @@ impl Chunk {
 }
 
 /// LRU limiter that limits by the number of blocks
-///
-/// > **Warning**: Make sure to call [`add_block`] and [`remove_block`] when
-/// > performing direct mutations to a chunk
 struct ByBlockLimiter {
     /// Maximum number of blocks that can be contained
     block_limit: usize,
@@ -288,7 +285,9 @@ impl Limiter<Vec2<i32>, Chunk> for ByBlockLimiter {
     ) -> bool {
         let old_size = old_chunk.len() as isize; // I assume chunks are never larger than a few thousand blocks anyways, cast should be OK
         let new_size = new_chunk.len() as isize;
-        let new_total = self.counted_blocks.wrapping_add_signed(new_size - old_size);
+        let new_total = self
+            .counted_blocks
+            .saturating_add_signed(new_size - old_size);
 
         if new_total > self.block_limit {
             false