diff --git a/src/aiidalab_qe_vibroscopy/app/result.py b/src/aiidalab_qe_vibroscopy/app/result.py
index 36cc7c8..30dae04 100644
--- a/src/aiidalab_qe_vibroscopy/app/result.py
+++ b/src/aiidalab_qe_vibroscopy/app/result.py
@@ -211,7 +211,9 @@ def _update_view(self):
 
         # euphonic
         if ins_data:
-            intensity_maps = EuphonicSuperWidget(fc=ins_data["fc"])
+            intensity_maps = EuphonicSuperWidget(
+                fc=ins_data["fc"], q_path=ins_data["q_path"]
+            )
             children_result_widget += (intensity_maps,)
             tab_titles.append("Inelastic Neutrons")
 
diff --git a/src/aiidalab_qe_vibroscopy/utils/euphonic/euphonic_single_crystal_widgets.py b/src/aiidalab_qe_vibroscopy/utils/euphonic/euphonic_single_crystal_widgets.py
index 7e9ec26..f03df86 100644
--- a/src/aiidalab_qe_vibroscopy/utils/euphonic/euphonic_single_crystal_widgets.py
+++ b/src/aiidalab_qe_vibroscopy/utils/euphonic/euphonic_single_crystal_widgets.py
@@ -203,7 +203,7 @@ def __init__(self, fc, q_path, **kwargs):
 
         self.spectra, self.parameters = produce_bands_weigthed_data(
             fc=self.fc,
-            linear_path = self.q_path,
+            linear_path=self.q_path,
             plot=False,  # CHANGED
         )
 
@@ -252,7 +252,8 @@ def _on_plot_button_clicked(self, change=None):
             }
         else:
             linear_path = copy.deepcopy(self.q_path)
-            linear_path["delta_q"] = parameters_["q_spacing"]
+            if linear_path:
+                linear_path["delta_q"] = parameters_["q_spacing"]
 
         self.spectra, self.parameters = produce_bands_weigthed_data(
             params=parameters_,