diff --git a/mslib/msui/mscolab.py b/mslib/msui/mscolab.py
index e3905d918..53bc28841 100644
--- a/mslib/msui/mscolab.py
+++ b/mslib/msui/mscolab.py
@@ -519,7 +519,7 @@ def __init__(self, parent=None, data_dir=None):
         self.ui.serverOptionsCb.currentIndexChanged.connect(self.server_options_handler)
 
         # set up user menu and add to toolbutton
-        self.user_menu = QtWidgets.QMenu()
+        self.user_menu = QtWidgets.QMenu(self.ui)
         self.profile_action = self.user_menu.addAction("Profile", self.open_profile_window)
         self.user_menu.addSeparator()
         self.logout_action = self.user_menu.addAction("Logout", self.logout)
@@ -790,7 +790,7 @@ def open_profile_window(self):
         def on_context_menu(point):
             self.gravatar_menu.exec_(self.profile_dialog.gravatarLabel.mapToGlobal(point))
 
-        self.prof_diag = QtWidgets.QDialog()
+        self.prof_diag = QtWidgets.QDialog(self.ui)
         self.profile_dialog = ui_profile.Ui_ProfileWindow()
         self.profile_dialog.setupUi(self.prof_diag)
         self.profile_dialog.buttonBox.accepted.connect(lambda: self.prof_diag.close())
@@ -800,7 +800,7 @@ def on_context_menu(point):
         self.profile_dialog.deleteAccountBtn.clicked.connect(self.delete_account)
 
         # add context menu for right click on image
-        self.gravatar_menu = QtWidgets.QMenu()
+        self.gravatar_menu = QtWidgets.QMenu(self.ui)
         self.gravatar_menu.addAction('Fetch Gravatar', lambda: self.fetch_gravatar(refresh=True))
         self.gravatar_menu.addAction('Remove Gravatar', lambda: self.remove_gravatar())
         self.profile_dialog.gravatarLabel.setContextMenuPolicy(QtCore.Qt.CustomContextMenu)
@@ -870,7 +870,7 @@ def browse():
                     self.add_proj_dialog.f_content = file_content
                     self.add_proj_dialog.selectedFile.setText(file_name)
 
-            self.proj_diag = QtWidgets.QDialog()
+            self.proj_diag = QtWidgets.QDialog(self.ui)
             self.add_proj_dialog = add_operation_ui.Ui_addOperationDialog()
             self.add_proj_dialog.setupUi(self.proj_diag)
             self.add_proj_dialog.f_content = None
diff --git a/mslib/msui/wms_control.py b/mslib/msui/wms_control.py
index a01af591f..41294cb56 100644
--- a/mslib/msui/wms_control.py
+++ b/mslib/msui/wms_control.py
@@ -512,13 +512,13 @@ def __init__(self, parent=None, default_WMS=None, wms_cache=None, view=None):
 
         # Progress dialog to inform the user about image ongoing retrievals.
         self.pdlg = QtWidgets.QProgressDialog(
-            "retrieving image...", "Cancel", 0, 10, parent=self.parent())
+            "retrieving image...", "Cancel", 0, 10, parent=self)
         self.pdlg.close()
 
         # Progress dialog to inform the user about ongoing capability requests.
         self.capabilities_worker = Worker(None)
         self.cpdlg = QtWidgets.QProgressDialog(
-            "retrieving wms capabilities...", "Cancel", 0, 10, parent=self.multilayers)
+            "retrieving wms capabilities...", "Cancel", 0, 10, parent=self)
         self.cpdlg.canceled.connect(self.stop_capabilities_retrieval)
         self.cpdlg.close()
 
diff --git a/mslib/support/qt_json_view/view.py b/mslib/support/qt_json_view/view.py
index 12415f926..72f569f77 100644
--- a/mslib/support/qt_json_view/view.py
+++ b/mslib/support/qt_json_view/view.py
@@ -17,7 +17,7 @@ def __init__(self, parent=None):
 
     def _menu(self, position):
         """Show the actions of the DataType (if any)."""
-        menu = QtWidgets.QMenu()
+        menu = QtWidgets.QMenu(self)
         index = self.indexAt(position)
         data = index.data(TypeRole)
         if data is None: