diff --git a/source/detail/linux_X11/platform_spec.cpp b/source/detail/linux_X11/platform_spec.cpp
index f53c046b..c8ccf682 100644
--- a/source/detail/linux_X11/platform_spec.cpp
+++ b/source/detail/linux_X11/platform_spec.cpp
@@ -44,7 +44,7 @@ namespace detail
 		bool conf::open(const char* file)
 		{
 			ifs_.open(file);
-			return static_cast<bool>(ifs_ != 0);
+			return static_cast<bool>(ifs_);
 		}
 
 		std::string conf::value(const char* key)