diff --git a/src/main.rs b/src/main.rs
index 971f3d0..1833dfa 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -299,7 +299,8 @@ fn main2() {
     let textures = renderer.get_textures();
     let dpi_factor = window.window().scale_factor();
     let default_protocol_version = protocol::versions::protocol_name_to_protocol_version(
-        opt.default_protocol_version.unwrap_or("".to_string()),
+        opt.default_protocol_version
+            .unwrap_or_else(|| "".to_string()),
     );
     let mut game = Game {
         server: server::Server::dummy_server(resource_manager.clone()),
diff --git a/src/model/mod.rs b/src/model/mod.rs
index 7956b7b..7a6c365 100644
--- a/src/model/mod.rs
+++ b/src/model/mod.rs
@@ -891,7 +891,7 @@ impl RawModel {
                 .texture_vars
                 .get(&name[1..])
                 .cloned()
-                .unwrap_or("".to_owned());
+                .unwrap_or_else(|| "".to_owned());
             return self.lookup_texture(&tex);
         }
         name.to_owned()
diff --git a/src/world/mod.rs b/src/world/mod.rs
index 711689a..c56f091 100644
--- a/src/world/mod.rs
+++ b/src/world/mod.rs
@@ -994,6 +994,7 @@ impl World {
         self.load_chunk19_or_115(false, x, z, new, mask, data)
     }
 
+    #[allow(clippy::or_fun_call)]
     fn load_chunk19_or_115(
         &mut self,
         read_biomes: bool,
@@ -1068,6 +1069,7 @@ impl World {
                         mappings
                             .get(&id)
                             .cloned()
+                            // TODO: fix or_fun_call, but do not re-borrow self
                             .unwrap_or(block::Block::by_vanilla_id(
                                 id,
                                 self.protocol_version,