diff --git a/plugins/org.jkiss.dbeaver.core/META-INF/MANIFEST.MF b/plugins/org.jkiss.dbeaver.core/META-INF/MANIFEST.MF
index 6f408d8dd46f3f5b09d1608f43d4740cc54ca1c6..6351c28cdbfaf73da036096c9f130d5b610d1d54 100644
--- a/plugins/org.jkiss.dbeaver.core/META-INF/MANIFEST.MF
+++ b/plugins/org.jkiss.dbeaver.core/META-INF/MANIFEST.MF
@@ -109,6 +109,7 @@ Require-Bundle: org.eclipse.core.runtime,
  org.eclipse.core.filesystem,
  org.eclipse.core.resources,
  org.eclipse.core.expressions,
+ org.eclipse.equinox.security,
  org.eclipse.ui,
  org.eclipse.ui.editors,
  org.eclipse.ui.views,
diff --git a/plugins/org.jkiss.dbeaver.core/src/org/jkiss/dbeaver/ui/css/EditorFolderElementHandler.java b/plugins/org.jkiss.dbeaver.core/src/org/jkiss/dbeaver/ui/css/EditorFolderElementHandler.java
index 5f11a96c3f8d092874166bffa10d3dd693f81bda..9892b3d8f2a26094ae7b4f34140d9e25faaa0733 100644
--- a/plugins/org.jkiss.dbeaver.core/src/org/jkiss/dbeaver/ui/css/EditorFolderElementHandler.java
+++ b/plugins/org.jkiss.dbeaver.core/src/org/jkiss/dbeaver/ui/css/EditorFolderElementHandler.java
@@ -30,12 +30,16 @@ public class EditorFolderElementHandler extends CSSPropertySelectedTabsSWTHandle
 				//Object cssId = control.getData(CSSSWTConstants.CSS_ID_KEY);
 				if (PROP_BACKGROUND.equalsIgnoreCase(property) && (value.getCssValueType() == CSSValue.CSS_VALUE_LIST)) {
 					Color newColor = null;
-					IEditorPart activeEditor = DBeaverUI.getActiveWorkbenchWindow().getActivePage().getActiveEditor();
-					if (activeEditor instanceof DBPContextProvider) {
-						DBCExecutionContext context = ((DBPContextProvider) activeEditor).getExecutionContext();
-						if (context != null) {
-							newColor = UIUtils.getConnectionColor(context.getDataSource().getContainer().getConnectionConfiguration());
-						}
+					try {
+						IEditorPart activeEditor = DBeaverUI.getActiveWorkbenchWindow().getActivePage().getActiveEditor();
+						if (activeEditor instanceof DBPContextProvider) {
+                            DBCExecutionContext context = ((DBPContextProvider) activeEditor).getExecutionContext();
+                            if (context != null) {
+                                newColor = UIUtils.getConnectionColor(context.getDataSource().getContainer().getConnectionConfiguration());
+                            }
+                        }
+					} catch (Exception e) {
+						// Some UI issues. Probably workbench window or page wasn't yet created
 					}
 					if (newColor == null) {
 						super.applyCSSProperty(control, property, value, pseudo, engine);