diff --git a/main/astrodatagui/AstrodataGUI.py b/main/astrodatagui/AstrodataGUI.py
index 45e59a6..64bf247 100644
--- a/main/astrodatagui/AstrodataGUI.py
+++ b/main/astrodatagui/AstrodataGUI.py
@@ -295,14 +295,22 @@ class AstrodataGUI(QtWidgets.QMainWindow):
 
     def updateFlaredetectionWidgetFlatten(self):
         flattenEnabled = self.cbPlotFlattenPlotEnable.isChecked()
-        windowLength = int(self.edPlotFlattenWL.text())
-        po = int(self.edPlotFlattenPO.text())
+        try:
+            windowLength = int(self.edPlotFlattenWL.text())
+            po = int(self.edPlotFlattenPO.text())
+        except:
+            print(f"Invalid WL/PO detected, aborting")
+            return
         self.flaredetectorPreview.setFlattenState(flattenEnabled, windowLength, po)
 
     def updateFlaredetectionWidgetFold(self):
         foldEnabled = self.cbPlotFoldEnable.isChecked()
-        period = float(self.edPlotFoldPeriod.text())
-        epoch = float(self.edPlotFoldEpochTime.text())
+        try:
+            period = float(self.edPlotFoldPeriod.text())
+            epoch = float(self.edPlotFoldEpochTime.text())
+        except:
+            print(f"Invalid period/epoch detected, aborting")
+            return
         self.flaredetectorPreview.setFoldState(foldEnabled, period, epoch)
 
     def updateFlaredetectionWidgetPeriodogram(self):