diff --git a/org.eclipse.lsp4e/src/org/eclipse/lsp4e/operations/hover/FocusableBrowserInformationControl.java b/org.eclipse.lsp4e/src/org/eclipse/lsp4e/operations/hover/FocusableBrowserInformationControl.java
index 5dbf80526..9ab8a801d 100644
--- a/org.eclipse.lsp4e/src/org/eclipse/lsp4e/operations/hover/FocusableBrowserInformationControl.java
+++ b/org.eclipse.lsp4e/src/org/eclipse/lsp4e/operations/hover/FocusableBrowserInformationControl.java
@@ -93,7 +93,7 @@ protected void createContent(Composite parent) {
 	}
 
 	private void updateBrowserSize(final Browser browser) {
-		if (browser.isDisposed() || getInput() == null)
+		if (getShell().isDisposed() || browser.isDisposed() || getInput() == null)
 			return;
 
 		@Nullable