diff --git a/include/nlohmann/detail/input/lexer.hpp b/include/nlohmann/detail/input/lexer.hpp
index 13419347b..0cf56cf17 100644
--- a/include/nlohmann/detail/input/lexer.hpp
+++ b/include/nlohmann/detail/input/lexer.hpp
@@ -1550,17 +1550,17 @@ scan_number_done:
             // literals
             case 't':
             {
-                std::array<char_type, 8> true_literal = {{static_cast<char_type>('t'), static_cast<char_type>('r'), static_cast<char_type>('u'), static_cast<char_type>('e'), 0, 0, 0, 0}};
+                std::array<char_type, 8> true_literal = {{static_cast<char_type>('t'), static_cast<char_type>('r'), static_cast<char_type>('u'), static_cast<char_type>('e')}};
                 return scan_literal(true_literal.data(), 4, token_type::literal_true);
             }
             case 'f':
             {
-                std::array<char_type, 8> false_literal = {{static_cast<char_type>('f'), static_cast<char_type>('a'), static_cast<char_type>('l'), static_cast<char_type>('s'), static_cast<char_type>('e'), 0, 0, 0}};
+                std::array<char_type, 8> false_literal = {{static_cast<char_type>('f'), static_cast<char_type>('a'), static_cast<char_type>('l'), static_cast<char_type>('s'), static_cast<char_type>('e')}};
                 return scan_literal(false_literal.data(), 5, token_type::literal_false);
             }
             case 'n':
             {
-                std::array<char_type, 8> null_literal = {{static_cast<char_type>('n'), static_cast<char_type>('u'), static_cast<char_type>('l'), static_cast<char_type>('l'), 0, 0, 0, 0}};
+                std::array<char_type, 8> null_literal = {{static_cast<char_type>('n'), static_cast<char_type>('u'), static_cast<char_type>('l'), static_cast<char_type>('l')}};
                 return scan_literal(null_literal.data(), 4, token_type::literal_null);
             }