diff --git a/main/astrodatagui/ui/FlaredetectorWidget.py b/main/astrodatagui/ui/FlaredetectorWidget.py
index 39869d1..cb442d6 100644
--- a/main/astrodatagui/ui/FlaredetectorWidget.py
+++ b/main/astrodatagui/ui/FlaredetectorWidget.py
@@ -48,6 +48,7 @@ class FlaredetectorWidget(QtWidgets.QWidget):
         self.mainLayout.addWidget(self.periodogramInfoGroupBox)
 
         self.fluxType = "sap_flux"
+        self.fluxErrType = "sap_flux_err"
         self.NormalizeState = {"Enabled": False, "Scale": "unscaled"}
         self.RemoveOutliersState = {"Enabled": False, "Sigma": 5.0}
         self.RemoveNansState = {"Enabled": False}
@@ -90,7 +91,16 @@ class FlaredetectorWidget(QtWidgets.QWidget):
         if(fluxType not in ["sap_flux", "pdcsap_flux"]):
             print(f"FluxType not supported: {fluxType}, setting default sap_flux")
             fluxType = "sap_flux"
+            fluxErrType = "sap_flux_err"
+
+        match fluxType:
+            case "sap_flux":
+                fluxErrType = "sap_flux_err"
+            case "pdcsap_flux":
+                fluxErrType = "pdcsap_flux_err"
+
         self.fluxType = fluxType
+        self.fluxErrType = fluxErrType
         self.updatePlot()
 
     def setNormalizeState(self, enabled: bool, scale: str):
@@ -173,11 +183,13 @@ class FlaredetectorWidget(QtWidgets.QWidget):
 
     def normalizeStichedLightCurve(self, lc):
         lc.flux = lc[self.fluxType]
+        lc.flux_err = lc[self.fluxErrType]
         return lc.normalize(unit=self.NormalizeState["Scale"])
 
     def updateFit(self):
         lc = self.currentLC
         lc.flux = lc[self.fluxType]
+        lc.flux_err = lc[self.fluxErrType]
         self.currentFlattenLC = lc.flatten(window_length=self.FlattenState["WindowLength"],
                                 polyorder=self.FlattenState["PolynomialOrder"])
         self.peaks, self.fits = calculateFlareFitsForLightcurve(self.currentFlattenLC, num=100)
@@ -186,6 +198,7 @@ class FlaredetectorWidget(QtWidgets.QWidget):
         lc = self.currentLC
         label = f"{self.currentMainName}"
         lc.flux = lc[self.fluxType]
+        lc.flux_err = lc[self.fluxErrType]
 
         if(self.NormalizeState["Enabled"]):
             if(self.currentLCCollection is None):