diff --git a/store/src/cxxengine.rs b/store/src/cxxengine.rs
index a866e15..3758e2a 100644
--- a/store/src/cxxengine.rs
+++ b/store/src/cxxengine.rs
@@ -98,7 +98,9 @@ pub fn new_trictrac_engine() -> Box<TricTracEngine> {
     let mut game_state = GameState::new(false); // schools_enabled = false
     game_state.init_player("player1");
     game_state.init_player("player2");
-    game_state.consume(&GameEvent::BeginGame { goes_first: 1 });
+    game_state
+        .consume(&GameEvent::BeginGame { goes_first: 1 })
+        .expect("BeginGame failed during engine initialization");
     Box::new(TricTracEngine { game_state })
 }
 
@@ -189,7 +191,8 @@ impl TricTracEngine {
             values: (dice.die1, dice.die2),
         };
         self.game_state
-            .consume(&GameEvent::RollResult { player_id, dice });
+            .consume(&GameEvent::RollResult { player_id, dice })
+            .map_err(|e| anyhow::anyhow!(e))?;
         Ok(())
     }
 
@@ -208,7 +211,9 @@ impl TricTracEngine {
 
         match event {
             Some(evt) if self.game_state.validate(&evt) => {
-                self.game_state.consume(&evt);
+                self.game_state
+                    .consume(&evt)
+                    .map_err(|e| anyhow::anyhow!(e))?;
                 Ok(())
             }
             Some(evt) => anyhow::bail!(