diff --git a/internal/checker/checker.go b/internal/checker/checker.go
index 020fe611931..29aa4976ebd 100644
--- a/internal/checker/checker.go
+++ b/internal/checker/checker.go
@@ -28305,6 +28305,9 @@ func (c *Checker) resolveHelpersModule(file *ast.SourceFile, errorNode *ast.Node
 	links := c.sourceFileLinks.Get(file)
 	if links.externalHelpersModule == nil {
 		location := c.program.GetImportHelpersImportSpecifier(file.Path())
+		if location == nil {
+			location = file.AsNode()
+		}
 		helpersModule := c.resolveExternalModule(location, externalHelpersModuleNameText, diagnostics.This_syntax_requires_an_imported_helper_but_module_0_cannot_be_found, errorNode, false /*isForAugmentation*/)
 		if helpersModule == nil {
 			helpersModule = c.unknownSymbol