diff --git a/core/src/game.rs b/core/src/game.rs
index 194a26b8..59a83d52 100644
--- a/core/src/game.rs
+++ b/core/src/game.rs
@@ -2432,6 +2432,8 @@ mod tests {
             })
             .unwrap();
 
+        assert!(siphon_tick_speed > 0);
+        assert!(siphon_speed > 0);
         assert_eq!(siphon_tick_dmg, siphon_dmg);
         assert_eq!(siphon_tick_speed, siphon_speed);
     }