diff --git a/crates/extension/src/extension_host_proxy.rs b/crates/extension/src/extension_host_proxy.rs
index a692795e87..fee590d345 100644
--- a/crates/extension/src/extension_host_proxy.rs
+++ b/crates/extension/src/extension_host_proxy.rs
@@ -96,6 +96,8 @@ impl ExtensionHostProxy {
 }
 
 pub trait ExtensionThemeProxy: Send + Sync + 'static {
+    fn set_extensions_loaded(&self);
+
     fn list_theme_names(&self, theme_path: PathBuf, fs: Arc<dyn Fs>) -> Task<Result<Vec<String>>>;
 
     fn remove_user_themes(&self, themes: Vec<SharedString>);
@@ -123,6 +125,14 @@ pub trait ExtensionThemeProxy: Send + Sync + 'static {
 }
 
 impl ExtensionThemeProxy for ExtensionHostProxy {
+    fn set_extensions_loaded(&self) {
+        let Some(proxy) = self.theme_proxy.read().clone() else {
+            return;
+        };
+
+        proxy.set_extensions_loaded()
+    }
+
     fn list_theme_names(&self, theme_path: PathBuf, fs: Arc<dyn Fs>) -> Task<Result<Vec<String>>> {
         let Some(proxy) = self.theme_proxy.read().clone() else {
             return Task::ready(Ok(Vec::new()));
diff --git a/crates/extension_host/src/extension_host.rs b/crates/extension_host/src/extension_host.rs
index a6f6299136..9c6b2bbcd8 100644
--- a/crates/extension_host/src/extension_host.rs
+++ b/crates/extension_host/src/extension_host.rs
@@ -1290,6 +1290,7 @@ impl ExtensionStore {
                 }
 
                 this.wasm_extensions.extend(wasm_extensions);
+                this.proxy.set_extensions_loaded();
                 this.proxy.reload_current_theme(cx);
                 this.proxy.reload_current_icon_theme(cx);
             })
diff --git a/crates/theme/src/registry.rs b/crates/theme/src/registry.rs
index ed1d232cf5..43328aaad2 100644
--- a/crates/theme/src/registry.rs
+++ b/crates/theme/src/registry.rs
@@ -50,6 +50,8 @@ impl Global for GlobalThemeRegistry {}
 struct ThemeRegistryState {
     themes: HashMap<SharedString, Arc<Theme>>,
     icon_themes: HashMap<SharedString, Arc<IconTheme>>,
+    /// Whether the extensions have been loaded yet.
+    extensions_loaded: bool,
 }
 
 /// The registry for themes.
@@ -82,6 +84,7 @@ impl ThemeRegistry {
             state: RwLock::new(ThemeRegistryState {
                 themes: HashMap::default(),
                 icon_themes: HashMap::default(),
+                extensions_loaded: false,
             }),
             assets,
         };
@@ -100,6 +103,16 @@ impl ThemeRegistry {
         registry
     }
 
+    /// Returns whether the extensions have been loaded.
+    pub fn extensions_loaded(&self) -> bool {
+        self.state.read().extensions_loaded
+    }
+
+    /// Sets the flag indicating that the extensions have loaded.
+    pub fn set_extensions_loaded(&self) {
+        self.state.write().extensions_loaded = true;
+    }
+
     fn insert_theme_families(&self, families: impl IntoIterator<Item = ThemeFamily>) {
         for family in families.into_iter() {
             self.insert_themes(family.themes);
diff --git a/crates/theme/src/settings.rs b/crates/theme/src/settings.rs
index 70e271a108..3735927115 100644
--- a/crates/theme/src/settings.rs
+++ b/crates/theme/src/settings.rs
@@ -157,7 +157,11 @@ impl ThemeSettings {
             // If the selected theme doesn't exist, fall back to a default theme
             // based on the system appearance.
             let theme_registry = ThemeRegistry::global(cx);
-            if theme_registry.get(theme_name).ok().is_none() {
+            if let Err(err @ ThemeNotFoundError(_)) = theme_registry.get(theme_name) {
+                if theme_registry.extensions_loaded() {
+                    log::error!("{err}");
+                }
+
                 theme_name = Self::default_theme(*system_appearance);
             };
 
@@ -180,11 +184,13 @@ impl ThemeSettings {
 
             // If the selected icon theme doesn't exist, fall back to the default theme.
             let theme_registry = ThemeRegistry::global(cx);
-            if theme_registry
-                .get_icon_theme(icon_theme_name)
-                .ok()
-                .is_none()
+            if let Err(err @ IconThemeNotFoundError(_)) =
+                theme_registry.get_icon_theme(icon_theme_name)
             {
+                if theme_registry.extensions_loaded() {
+                    log::error!("{err}");
+                }
+
                 icon_theme_name = DEFAULT_ICON_THEME_NAME;
             };
 
@@ -848,7 +854,9 @@ impl settings::Settings for ThemeSettings {
                         this.active_theme = theme;
                     }
                     Err(err @ ThemeNotFoundError(_)) => {
-                        log::error!("{err}");
+                        if themes.extensions_loaded() {
+                            log::error!("{err}");
+                        }
                     }
                 }
             }
@@ -866,7 +874,9 @@ impl settings::Settings for ThemeSettings {
                         this.active_icon_theme = icon_theme;
                     }
                     Err(err @ IconThemeNotFoundError(_)) => {
-                        log::error!("{err}");
+                        if themes.extensions_loaded() {
+                            log::error!("{err}");
+                        }
                     }
                 }
             }
diff --git a/crates/theme_extension/src/theme_extension.rs b/crates/theme_extension/src/theme_extension.rs
index 83903da6c6..b9c6ed6d4b 100644
--- a/crates/theme_extension/src/theme_extension.rs
+++ b/crates/theme_extension/src/theme_extension.rs
@@ -24,6 +24,10 @@ struct ThemeRegistryProxy {
 }
 
 impl ExtensionThemeProxy for ThemeRegistryProxy {
+    fn set_extensions_loaded(&self) {
+        self.theme_registry.set_extensions_loaded();
+    }
+
     fn list_theme_names(&self, theme_path: PathBuf, fs: Arc<dyn Fs>) -> Task<Result<Vec<String>>> {
         self.executor.spawn(async move {
             let themes = theme::read_user_theme(&theme_path, fs).await?;