diff --git a/main/astrodatagui/AstrodataGUI.py b/main/astrodatagui/AstrodataGUI.py
index ee97022..5316915 100644
--- a/main/astrodatagui/AstrodataGUI.py
+++ b/main/astrodatagui/AstrodataGUI.py
@@ -36,6 +36,7 @@ class AstrodataGUI(QtWidgets.QMainWindow):
         self.comboPlotFluxType.currentTextChanged.connect(self.plotOptionsComboBoxTextChanged)
         self.comboPlotNormalizeUnit.currentTextChanged.connect(self.plotOptionsComboBoxTextChanged)
         self.comboPlotPeriodogramMethod.currentTextChanged.connect(self.plotOptionsComboBoxTextChanged)
+        self.comboPlotPeriodogramView.currentTextChanged.connect(self.plotOptionsComboBoxTextChanged)
 
         self.sbRemoveOutliersSigma.valueChanged.connect(self.plotOptionsSpinBoxValueChanged)
 
@@ -255,7 +256,7 @@ class AstrodataGUI(QtWidgets.QMainWindow):
             case self.comboPlotNormalizeUnit:
                 self.updateFlaredetectionWidgetNormalize()
 
-            case self.comboPlotPeriodogramMethod:
+            case (self.comboPlotPeriodogramMethod | self.comboPlotPeriodogramView):
                 self.updateFlaredetectionWidgetPeriodogram()
 
     def plotOptionsSpinBoxValueChanged(self):
@@ -328,4 +329,5 @@ class AstrodataGUI(QtWidgets.QMainWindow):
     def updateFlaredetectionWidgetPeriodogram(self):
         periodogramEnabled = self.cbPlotPeriodogramEnable.isChecked()
         method = self.comboPlotPeriodogramMethod.currentText()
-        self.flaredetectorPreview.setPeriodogramState(periodogramEnabled, method)
\ No newline at end of file
+        view = self.comboPlotPeriodogramView.currentText()
+        self.flaredetectorPreview.setPeriodogramState(periodogramEnabled, method, view)
\ No newline at end of file
diff --git a/main/astrodatagui/astrodatagui.ui b/main/astrodatagui/astrodatagui.ui
index e58689f..b078133 100644
--- a/main/astrodatagui/astrodatagui.ui
+++ b/main/astrodatagui/astrodatagui.ui
@@ -826,20 +826,6 @@
                         </property>
                        </widget>
                       </item>
-                      <item row="0" column="0">
-                       <widget class="QCheckBox" name="cbPlotPeriodogramEnable">
-                        <property name="text">
-                         <string/>
-                        </property>
-                       </widget>
-                      </item>
-                      <item row="1" column="0">
-                       <widget class="QLabel" name="label_21">
-                        <property name="text">
-                         <string>Method: </string>
-                        </property>
-                       </widget>
-                      </item>
                       <item row="1" column="1">
                        <widget class="QComboBox" name="comboPlotPeriodogramMethod">
                         <item>
@@ -854,6 +840,41 @@
                         </item>
                        </widget>
                       </item>
+                      <item row="1" column="0">
+                       <widget class="QLabel" name="label_21">
+                        <property name="text">
+                         <string>Method: </string>
+                        </property>
+                       </widget>
+                      </item>
+                      <item row="0" column="0">
+                       <widget class="QCheckBox" name="cbPlotPeriodogramEnable">
+                        <property name="text">
+                         <string/>
+                        </property>
+                       </widget>
+                      </item>
+                      <item row="2" column="0">
+                       <widget class="QLabel" name="label_23">
+                        <property name="text">
+                         <string>View: </string>
+                        </property>
+                       </widget>
+                      </item>
+                      <item row="2" column="1">
+                       <widget class="QComboBox" name="comboPlotPeriodogramView">
+                        <item>
+                         <property name="text">
+                          <string>frequency</string>
+                         </property>
+                        </item>
+                        <item>
+                         <property name="text">
+                          <string>period</string>
+                         </property>
+                        </item>
+                       </widget>
+                      </item>
                      </layout>
                     </widget>
                    </item>
diff --git a/main/astrodatagui/ui/FlaredetectorWidget.py b/main/astrodatagui/ui/FlaredetectorWidget.py
index 482aea0..badac0a 100644
--- a/main/astrodatagui/ui/FlaredetectorWidget.py
+++ b/main/astrodatagui/ui/FlaredetectorWidget.py
@@ -37,7 +37,7 @@ class FlaredetectorWidget(QtWidgets.QWidget):
         self.BinState = {"Enabled": False, "Size": None}
         self.FlattenState = {"Enabled": False, "WindowLength": 101, "PolynomialOrder": 2}
         self.FoldState = {"Enabled": False, "Period": 1, "EpochTime": 0}
-        self.PeriodogramState = {"Enabled": False, "Method": "lombscargle"}
+        self.PeriodogramState = {"Enabled": False, "Method": "lombscargle", "View": "frequency"}
 
     def setFitsFile(self, fitsFilePath, mainName: str):
         print(f"Plotting: {fitsFilePath}")
@@ -131,12 +131,16 @@ class FlaredetectorWidget(QtWidgets.QWidget):
             self.PeriodogramState["Enabled"] = False
         self.updatePlot()
 
-    def setPeriodogramState(self, enabled: bool, method: str):
+    def setPeriodogramState(self, enabled: bool, method: str, view: str):
         self.PeriodogramState["Enabled"] = enabled
         if(method not in ["lombscargle", "boxleastsquares", "ls", "bls"]):
             print(f"Unsupported method detected, setting default lombscargle")
             method = "lombscargle"
+        if(view not in ["frequency", "period"]):
+            print(f"Unsupported view detected, setting default frequency")
+            view = "frequency"
         self.PeriodogramState["Method"] = method
+        self.PeriodogramState["View"] = view
         if(self.PeriodogramState["Enabled"]):
             self.FoldState["Enabled"] = False
             self.FlattenState["Enabled"] = False
@@ -176,6 +180,8 @@ class FlaredetectorWidget(QtWidgets.QWidget):
         self.figureAxis.clear()
         if(self.FoldState["Enabled"]):
             lc.scatter(label=label, ax=self.figureAxis)
+        elif(self.PeriodogramState["Enabled"]):
+            lc.plot(label=label, ax=self.figureAxis, view=self.PeriodogramState["View"])
         else:
             lc.plot(label=label, ax=self.figureAxis)
         self.figure.canvas.draw_idle()
\ No newline at end of file