diff --git a/internal/lsp/cache/view.go b/internal/lsp/cache/view.go
index 90393c8..80560f1 100644
--- a/internal/lsp/cache/view.go
+++ b/internal/lsp/cache/view.go
@@ -119,6 +119,10 @@
 		if err := imp.addImports(pkg); err != nil {
 			return err
 		}
+
+		// TODO(rstambler): Get real TypeSizes from go/packages.
+		pkg.TypesSizes = &types.StdSizes{}
+
 		imp.importPackage(pkg.PkgPath)
 	}
 	return nil