diff --git a/include/nlohmann/detail/output/output_adapters.hpp b/include/nlohmann/detail/output/output_adapters.hpp
index 71ca65b92..2b16eac02 100644
--- a/include/nlohmann/detail/output/output_adapters.hpp
+++ b/include/nlohmann/detail/output/output_adapters.hpp
@@ -102,12 +102,15 @@ template<typename CharType, typename StringType = std::basic_string<CharType>>
 class output_adapter
 {
   public:
+    // cppcheck-suppress noExplicitConstructor
     output_adapter(std::vector<CharType>& vec)
         : oa(std::make_shared<output_vector_adapter<CharType>>(vec)) {}
 
+    // cppcheck-suppress noExplicitConstructor
     output_adapter(std::basic_ostream<CharType>& s)
         : oa(std::make_shared<output_stream_adapter<CharType>>(s)) {}
 
+    // cppcheck-suppress noExplicitConstructor
     output_adapter(StringType& s)
         : oa(std::make_shared<output_string_adapter<CharType, StringType>>(s)) {}
 
diff --git a/single_include/nlohmann/json.hpp b/single_include/nlohmann/json.hpp
index 244244078..fb1cf4808 100644
--- a/single_include/nlohmann/json.hpp
+++ b/single_include/nlohmann/json.hpp
@@ -11282,12 +11282,15 @@ template<typename CharType, typename StringType = std::basic_string<CharType>>
 class output_adapter
 {
   public:
+    // cppcheck-suppress noExplicitConstructor
     output_adapter(std::vector<CharType>& vec)
         : oa(std::make_shared<output_vector_adapter<CharType>>(vec)) {}
 
+    // cppcheck-suppress noExplicitConstructor
     output_adapter(std::basic_ostream<CharType>& s)
         : oa(std::make_shared<output_stream_adapter<CharType>>(s)) {}
 
+    // cppcheck-suppress noExplicitConstructor
     output_adapter(StringType& s)
         : oa(std::make_shared<output_string_adapter<CharType, StringType>>(s)) {}