diff --git a/CHANGES.rst b/CHANGES.rst
index 89077d69..1c452ad3 100755
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -10,7 +10,7 @@
 - Sideview: X marker and red path remain when different maptool is selected (#891)
 - Sideview: Water colors now different for each result (#891)
 - Sideview: autoscale now takes culvert into account (#891)
-- Sideview: minor changes in look&feel (#891)
+- Sideview: minor changes in look&feel (#891, #900)
 - Sideview: current route is now kept when maptool is deselected (#891)
 - Graph: added batch delete option (#884)
 - Graph: features with same id, but different layer should have different color (#895)
@@ -20,7 +20,7 @@
 - Visualization: Remove legend subgroup hidden feature (#769)
 - Visualization: fix TypeError for result without net cumulative discharge (#903)
 - Water balance: enable selection of multipolygons (#885)
-
+- Results: changed notification when working directory not set in settings (#899)
 
 3.1.8 (2023-09-04)
 ------------------
diff --git a/gui/threedi_plugin_grid_result_dialog.py b/gui/threedi_plugin_grid_result_dialog.py
index 06ddc650..3e390a99 100644
--- a/gui/threedi_plugin_grid_result_dialog.py
+++ b/gui/threedi_plugin_grid_result_dialog.py
@@ -10,7 +10,6 @@
 from qgis.core import QgsSettings
 from qgis.PyQt.QtGui import QStandardItemModel, QStandardItem
 from threedi_results_analysis.utils.workingdir import list_local_schematisations
-from threedi_results_analysis.utils.user_messages import pop_up_critical
 
 logger = logging.getLogger(__name__)
 
@@ -195,8 +194,9 @@ def refresh(self):
         self.model.clear()
         self.model.setHorizontalHeaderLabels(self.header_labels)
         threedi_working_dir = QgsSettings().value("threedi/working_dir", "")
+        self.messageLabel.setText("")
         if not threedi_working_dir:
-            pop_up_critical("3Di Working Directory not yet set. Please set this in the 3Di Models & Simulations settings.")
+            self.messageLabel.setText("Please set your 3Di working directory in the 3Di Models & Simulations settings to be able to load computational grids and results from your 3Di working directory.")
             return
 
         local_schematisations = list_local_schematisations(threedi_working_dir)
diff --git a/gui/threedi_plugin_grid_result_dialog.ui b/gui/threedi_plugin_grid_result_dialog.ui
index c26d8c04..366d7602 100644
--- a/gui/threedi_plugin_grid_result_dialog.ui
+++ b/gui/threedi_plugin_grid_result_dialog.ui
@@ -31,6 +31,19 @@
          </attribute>
         </widget>
        </item>
+       <item>
+        <widget class="QLabel" name="messageLabel">
+         <property name="styleSheet">
+          <string notr="true">color : red;</string>
+         </property>
+         <property name="text">
+          <string/>
+         </property>
+         <property name="wordWrap">
+          <bool>true</bool>
+         </property>
+        </widget>
+       </item>
        <item>
         <widget class="QWidget" name="widget" native="true">
          <layout class="QHBoxLayout" name="horizontalLayout">