diff --git a/docs/en_US/release_notes_4_15.rst b/docs/en_US/release_notes_4_15.rst
index e36dd872d..270df2f9d 100644
--- a/docs/en_US/release_notes_4_15.rst
+++ b/docs/en_US/release_notes_4_15.rst
@@ -47,4 +47,5 @@ Bug fixes
 | `Issue #4845 <https://redmine.postgresql.org/issues/4845>`_ -  Fixed potential error in the properties dialog for the Code tab.
 | `Issue #4850 <https://redmine.postgresql.org/issues/4850>`_ -  Fixed an issue where Datetimepicker control opens when clicking on the label.
 | `Issue #4895 <https://redmine.postgresql.org/issues/4895>`_ -  Fixed potential issue in reset function for nested objects.
-| `Issue #4896 <https://redmine.postgresql.org/issues/4896>`_ -  Fixed an issue where escape key not working to close the open/save file dialog.
\ No newline at end of file
+| `Issue #4896 <https://redmine.postgresql.org/issues/4896>`_ -  Fixed an issue where escape key not working to close the open/save file dialog.
+| `Issue #4906 <https://redmine.postgresql.org/issues/4906>`_ -  Fixed an issue where keyboard shortcut for context menu is not working when using Firefox on CentOS7.
\ No newline at end of file
diff --git a/web/pgadmin/browser/static/js/keyboard.js b/web/pgadmin/browser/static/js/keyboard.js
index 1a402da8d..ba1a7806d 100644
--- a/web/pgadmin/browser/static/js/keyboard.js
+++ b/web/pgadmin/browser/static/js/keyboard.js
@@ -307,8 +307,9 @@ _.extend(pgBrowser.keyboardNavigation, {
   },
   bindContextMenu: function(event) {
     const tree = this.getTreeDetails();
-    const left = $(event.srcElement).find('.aciTreeEntry').position().left + 70;
-    const top = $(event.srcElement).find('.aciTreeEntry').position().top + 70;
+    let _srcElement = event.srcElement || event.target;
+    const left = $(_srcElement).find('.aciTreeEntry').position().left + 70;
+    const top = $(_srcElement).find('.aciTreeEntry').position().top + 70;
 
     tree.t.blur(tree.i);
     $('#tree').trigger('blur');