diff --git a/src/ert/gui/simulation/simulation_panel.py b/src/ert/gui/simulation/simulation_panel.py
index 68cd46ec0ce..89791cb26de 100644
--- a/src/ert/gui/simulation/simulation_panel.py
+++ b/src/ert/gui/simulation/simulation_panel.py
@@ -3,6 +3,7 @@
 
 from qtpy.QtCore import QSize, Qt
 from qtpy.QtWidgets import (
+    QApplication,
     QComboBox,
     QFrame,
     QHBoxLayout,
@@ -141,19 +142,18 @@ def runSimulation(self):
             == QMessageBox.Yes
         ):
             abort = False
+            QApplication.setOverrideCursor(Qt.CursorShape.WaitCursor)
             try:
                 args = self.getSimulationArguments()
                 experiment = self.notifier.storage.create_experiment(
                     parameters=self.ert.ensembleConfig().parameter_configuration
                 )
-
                 model = create_model(
                     self.ert,
                     self.notifier.storage,
                     args,
                     experiment.id,
                 )
-
                 experiment.write_simulation_arguments(model.simulation_arguments)
 
             except ValueError as e:
@@ -162,6 +162,8 @@ def runSimulation(self):
                 )
                 abort = True
 
+            QApplication.restoreOverrideCursor()
+
             if (
                 not abort
                 and model.check_if_runpath_exists()
diff --git a/src/ert/gui/tools/plot/plot_window.py b/src/ert/gui/tools/plot/plot_window.py
index 541782ee65f..0d874cd4966 100644
--- a/src/ert/gui/tools/plot/plot_window.py
+++ b/src/ert/gui/tools/plot/plot_window.py
@@ -5,6 +5,7 @@
 from pandas import DataFrame
 from qtpy.QtCore import Qt
 from qtpy.QtWidgets import (
+    QApplication,
     QDockWidget,
     QMainWindow,
     QMessageBox,
@@ -49,16 +50,16 @@ def __init__(self, config_file, parent):
 
         self.setWindowTitle(f"Plotting - {config_file}")
         self.activateWindow()
+
+        QApplication.setOverrideCursor(Qt.CursorShape.WaitCursor)
         try:
             self._api = PlotApi()
             self._key_definitions = self._api.all_data_type_keys()
         except (RequestError, TimeoutError) as e:
             logger.exception(e)
-            msg = f"{e}"
-
-            QMessageBox.critical(self, "Request Failed", msg)
-
+            QMessageBox.critical(self, "Request Failed", f"{e}")
             self._key_definitions = []
+        QApplication.restoreOverrideCursor()
 
         self._plot_customizer = PlotCustomizer(self, self._key_definitions)
 
@@ -86,14 +87,14 @@ def __init__(self, config_file, parent):
         self._central_tab.currentChanged.connect(self.currentPlotChanged)
         self._prev_tab_widget = None
 
+        QApplication.setOverrideCursor(Qt.CursorShape.WaitCursor)
         try:
             cases = self._api.get_all_cases_not_running()
         except (RequestError, TimeoutError) as e:
             logger.exception(e)
-            msg = f"{e}"
-
-            QMessageBox.critical(self, "Request Failed", msg)
+            QMessageBox.critical(self, "Request Failed", f"{e}")
             cases = []
+        QApplication.restoreOverrideCursor()
 
         case_names = [case["name"] for case in cases if not case["hidden"]]