diff --git a/PyStemmusScope/bmi.py b/PyStemmusScope/bmi.py
index 6b5979f6..1014ace2 100644
--- a/PyStemmusScope/bmi.py
+++ b/PyStemmusScope/bmi.py
@@ -190,7 +190,7 @@ def update_until(self, time: float) -> None:
         Args:
             time: A model time later than the current model time.
         """
-        while time < self.get_current_time():
+        while time > self.get_current_time():
             self.update()
 
     def finalize(self) -> None: