diff --git a/pyzebra/app/panel_ccl_integrate.py b/pyzebra/app/panel_ccl_integrate.py
index f12c155..31d0c93 100644
--- a/pyzebra/app/panel_ccl_integrate.py
+++ b/pyzebra/app/panel_ccl_integrate.py
@@ -495,13 +495,9 @@ def create():
     fit_button = Button(label="Fit Current", default_size=145)
     fit_button.on_click(fit_button_callback)
 
-    def area_method_radiobutton_callback(_attr, _old, new):
-        det_data["meta"]["area_method"] = AREA_METHODS[new]
-
     area_method_radiobutton = RadioButtonGroup(
         labels=["Fit area", "Int area"], active=0, default_size=145
     )
-    area_method_radiobutton.on_change("active", area_method_radiobutton_callback)
 
     bin_size_spinner = Spinner(title="Bin size:", value=1, low=1, step=1, default_size=145)
 
@@ -520,6 +516,7 @@ def create():
             pyzebra.export_1D(
                 export_data,
                 temp_file,
+                area_method=AREA_METHODS[int(area_method_radiobutton.active)],
                 lorentz=lorentz_toggle.active,
                 hkl_precision=int(hkl_precision_select.value),
             )
@@ -551,6 +548,7 @@ def create():
             pyzebra.export_1D(
                 export_data,
                 temp_file,
+                area_method=AREA_METHODS[int(area_method_radiobutton.active)],
                 lorentz=lorentz_toggle.active,
                 hkl_precision=int(hkl_precision_select.value),
             )
diff --git a/pyzebra/app/panel_param_study.py b/pyzebra/app/panel_param_study.py
index 2d13c4d..92457aa 100644
--- a/pyzebra/app/panel_param_study.py
+++ b/pyzebra/app/panel_param_study.py
@@ -601,13 +601,9 @@ def create():
     fit_button = Button(label="Fit Current", default_size=145)
     fit_button.on_click(fit_button_callback)
 
-    def area_method_radiobutton_callback(_attr, _old, new):
-        det_data["meta"]["area_method"] = AREA_METHODS[new]
-
     area_method_radiobutton = RadioButtonGroup(
         labels=["Fit area", "Int area"], active=0, default_size=145,
     )
-    area_method_radiobutton.on_change("active", area_method_radiobutton_callback)
 
     bin_size_spinner = Spinner(title="Bin size:", value=1, low=1, step=1, default_size=145)
 
@@ -623,7 +619,12 @@ def create():
                 if not export:
                     del export_data["scan"][s]
 
-            pyzebra.export_1D(export_data, temp_file, lorentz=lorentz_toggle.active)
+            pyzebra.export_1D(
+                export_data,
+                temp_file,
+                area_method=AREA_METHODS[int(area_method_radiobutton.active)],
+                lorentz=lorentz_toggle.active,
+            )
 
             exported_content = ""
             for ext in (".comm", ".incomm"):
@@ -645,7 +646,12 @@ def create():
                 if not export:
                     del export_data["scan"][s]
 
-            pyzebra.export_1D(export_data, temp_file, lorentz=lorentz_toggle.active)
+            pyzebra.export_1D(
+                export_data,
+                temp_file,
+                area_method=AREA_METHODS[int(area_method_radiobutton.active)],
+                lorentz=lorentz_toggle.active,
+            )
 
             for ext in (".comm", ".incomm"):
                 fname = temp_file + ext
diff --git a/pyzebra/ccl_io.py b/pyzebra/ccl_io.py
index a6a50e3..e528966 100644
--- a/pyzebra/ccl_io.py
+++ b/pyzebra/ccl_io.py
@@ -218,12 +218,11 @@ def parse_1D(fileobj, data_type):
             s["indices"] = "real"
 
     metadata["data_type"] = data_type
-    metadata["area_method"] = AREA_METHODS[0]
 
     return {"meta": metadata, "scan": scan}
 
 
-def export_1D(data, path, lorentz=False, hkl_precision=2):
+def export_1D(data, path, area_method=AREA_METHODS[0], lorentz=False, hkl_precision=2):
     """Exports data in the .comm/.incomm format
 
     Scans with integer/real hkl values are saved in .comm/.incomm files correspondingly. If no scans
@@ -245,7 +244,6 @@ def export_1D(data, path, lorentz=False, hkl_precision=2):
         else:  # scan["indices"] == "real"
             hkl_str = f"{h:8.{hkl_precision}f}{k:8.{hkl_precision}f}{l:8.{hkl_precision}f}"
 
-        area_method = data["meta"]["area_method"]
         area_n = scan["fit"][area_method].n
         area_s = scan["fit"][area_method].s