diff --git a/ide/codehelp.pas b/ide/codehelp.pas
index d0f1f2c5c0..2aa6bbf602 100644
--- a/ide/codehelp.pas
+++ b/ide/codehelp.pas
@@ -2356,6 +2356,7 @@ begin
           if (not OldCTTool.FindDeclaration(OldXYPos,[fsfSearchSourceName],
             CTTool,CTNode,XYPos,aTopLine))
           or (CTNode=OldCTNode)
+          or (CTNode=nil)
           then begin
             {$ifdef VerboseLazDoc}
             debugln(['TCodeHelpManager.GetHTMLHint inherited not found: ',dbgs(OldXYPos)]);