diff --git a/src/debug.cpp b/src/debug.cpp
index fa63a3b..1e8f554 100644
--- a/src/debug.cpp
+++ b/src/debug.cpp
@@ -1494,6 +1494,14 @@ std::string game_info::operating_system()
 }
 
 #if !defined(__CYGWIN__) && !defined (__ANDROID__) && ( defined (__linux__) || defined(unix) || defined(__unix__) || defined(__unix) || ( defined(__APPLE__) && defined(__MACH__) ) || defined(BSD) ) // linux; unix; MacOs; BSD
+                                                                                                                                                                                                      //
+class FILEDeleter
+{
+    public:
+        void operator()( FILE *f ) const noexcept {
+            pclose( f );
+        }
+};
 /** Execute a command with the shell by using `popen()`.
  * @param command The full command to execute.
  * @note The output buffer is limited to 512 characters.
@@ -1504,7 +1512,7 @@ static std::string shell_exec( const std::string &command )
     std::vector<char> buffer( 512 );
     std::string output;
     try {
-        std::unique_ptr<FILE, decltype( &pclose )> pipe( popen( command.c_str(), "r" ), pclose );
+        std::unique_ptr<FILE, FILEDeleter> pipe( popen( command.c_str(), "r" ) );
         if( pipe ) {
             while( fgets( buffer.data(), buffer.size(), pipe.get() ) != nullptr ) {
                 output += buffer.data();