diff --git a/SeQuant/core/parse/deparse.cpp b/SeQuant/core/parse/deparse.cpp
index ca048f9f0..3fc48d5ef 100644
--- a/SeQuant/core/parse/deparse.cpp
+++ b/SeQuant/core/parse/deparse.cpp
@@ -191,7 +191,7 @@ std::wstring deparse_expr(Sum const& sum, bool annot_sym) {
 
 std::wstring deparse_expr(ExprPtr expr, bool annot_sym) {
   if (!expr) return {};
-  
+
   using namespace details;
   if (expr->is<Tensor>())
     return deparse_expr(expr->as<Tensor>(), annot_sym);