1 files changed, 5 insertions, 2 deletions
diff --git a/include/ncurses/utils/flags.hpp b/include/ncurses/utils/flags.hpp
index 69b7aa9..e379aaf 100644
--- a/include/ncurses/utils/flags.hpp
+++ b/include/ncurses/utils/flags.hpp
@@ -22,7 +22,7 @@ public:
       : mask_(static_cast<mask_type>(bit)) {}
 
   NCURSES_CPP_CONSTEXPR
-  flags(flags<BitType> const &rhs) NCURSES_CPP_NOEXCEPT = default;
+  flags(flags<BitType> const &rhs) NCURSES_CPP_NOEXCEPT : mask_(rhs.mask_) {}
 
   NCURSES_CPP_CONSTEXPR explicit flags(mask_type flags) : mask_(flags) {}
 
@@ -70,7 +70,10 @@ public:
 
   // assignment operators
   NCURSES_CPP_CONSTEXPR_14 flags<BitType> &
-  operator=(flags<BitType> const &rhs) NCURSES_CPP_NOEXCEPT = default;
+  operator=(flags<BitType> const &rhs) NCURSES_CPP_NOEXCEPT {
+    mask_ = rhs.mask_;
+    return *this;
+  }
 
   NCURSES_CPP_ASSIGNMENT(&)
   NCURSES_CPP_ASSIGNMENT(|)