diff --git a/plugin/teksi_wastewater/teksi_wastewater_plugin.py b/plugin/teksi_wastewater/teksi_wastewater_plugin.py
index 1f88d6c64..fd6b4185b 100644
--- a/plugin/teksi_wastewater/teksi_wastewater_plugin.py
+++ b/plugin/teksi_wastewater/teksi_wastewater_plugin.py
@@ -41,6 +41,7 @@
 from .gui.twwprofiledockwidget import TwwProfileDockWidget
 from .gui.twwsettingsdialog import TwwSettingsDialog
 from .gui.twwwizard import TwwWizard
+from .libs.modelbaker.iliwrapper.ili2dbutils import JavaNotFoundError
 from .processing_provider.provider import TwwProcessingProvider
 from .tools.twwmaptools import TwwMapToolConnectNetworkElements, TwwTreeMapTool
 from .tools.twwnetwork import TwwGraphManager
@@ -596,6 +597,7 @@ def actionExportClicked(self):
                 )
 
                 self.interlisImporterExporter = InterlisImporterExporterGui()
+
             except ImportError as e:
                 self.iface.messageBar().pushMessage(
                     "Error",
@@ -605,6 +607,15 @@ def actionExportClicked(self):
                 self.logger.error(str(e))
                 return
 
+            except JavaNotFoundError as e:
+                self.iface.messageBar().pushMessage(
+                    "Error",
+                    "Could not load Interlis exporter due to missing Java. See logs for more details.",
+                    level=Qgis.Critical,
+                )
+                self.logger.error(str(e))
+                return
+
         try:
             self.interlisImporterExporter.check_dependencies()
         except Exception as exception:
@@ -636,6 +647,15 @@ def actionImportClicked(self):
                 self.logger.error(str(e))
                 return
 
+            except JavaNotFoundError as e:
+                self.iface.messageBar().pushMessage(
+                    "Error",
+                    "Could not load Interlis importer due to missing Java. See logs for more details.",
+                    level=Qgis.Critical,
+                )
+                self.logger.error(str(e))
+                return
+
         try:
             self.interlisImporterExporter.check_dependencies()
         except Exception as exception: