diff --git a/src/main.rs b/src/main.rs
index e5597da..15e1ded 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1135,7 +1135,15 @@ impl App {
         self.pane_model.focus = pane;
         match &self.term_event_tx_opt {
             Some(term_event_tx) => {
-                match self.themes.get(&self.config.syntax_theme(profile_id_opt)) {
+                let colors = self
+                    .themes
+                    .get(&self.config.syntax_theme(profile_id_opt))
+                    .or_else(|| {
+                        let mut keys: Vec<_> = self.themes.keys().collect();
+                        keys.sort_by(|a, b| (&a.0).cmp(&b.0));
+                        keys.first().and_then(|key| self.themes.get(key))
+                    });
+                match colors {
                     Some(colors) => {
                         let current_pane = self.pane_model.focus;
                         if let Some(tab_model) = self.pane_model.active_mut() {