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-rw-r--r--embroider_params.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/embroider_params.py b/embroider_params.py
index 8300cbc2..ffd9d53a 100644
--- a/embroider_params.py
+++ b/embroider_params.py
@@ -388,7 +388,7 @@ class SettingsFrame(wx.Frame):
def update_patches(self):
patches = self.generate_patches()
- if patches:
+ if patches and not self.simulate_refresh_needed.is_set():
wx.CallAfter(self.refresh_simulator, patches)
def refresh_simulator(self, patches):