diff --git a/customtkinter/windows/widgets/ctk_progressbar.py b/customtkinter/windows/widgets/ctk_progressbar.py
index 2d6ce59b..477f6a9e 100644
--- a/customtkinter/windows/widgets/ctk_progressbar.py
+++ b/customtkinter/windows/widgets/ctk_progressbar.py
@@ -281,7 +281,7 @@ def _internal_loop(self):
     def step(self):
         """ increase progress """
         if self._mode == "determinate":
-            self._determinate_value += self._determinate_speed / 50
+            self._determinate_value += self._determinate_speed / 100
             if self._determinate_value > 1:
                 self._determinate_value -= 1
             self._draw()