diff --git a/bundles/org.eclipse.ui.editors/src/org/eclipse/ui/internal/texteditor/stickyscroll/StickyScrollingControl.java b/bundles/org.eclipse.ui.editors/src/org/eclipse/ui/internal/texteditor/stickyscroll/StickyScrollingControl.java
index 85717c690e9..1e328fcae49 100644
--- a/bundles/org.eclipse.ui.editors/src/org/eclipse/ui/internal/texteditor/stickyscroll/StickyScrollingControl.java
+++ b/bundles/org.eclipse.ui.editors/src/org/eclipse/ui/internal/texteditor/stickyscroll/StickyScrollingControl.java
@@ -217,6 +217,9 @@ private String fillLineNumberWithLeadingSpaces(int lineNumber) {
 
 	private void styleStickyLines() {
 		StyledText textWidget= sourceViewer.getTextWidget();
+		if (textWidget == null || textWidget.isDisposed()) {
+			return;
+		}
 
 		List<StyleRange> stickyLinesStyleRanges= new ArrayList<>();
 		int stickyLineTextOffset= 0;