diff --git a/source/vibe/core/path.d b/source/vibe/core/path.d
index 093bb3a..f2eff9c 100644
--- a/source/vibe/core/path.d
+++ b/source/vibe/core/path.d
@@ -1303,8 +1303,7 @@ struct WindowsPathFormat {
 
 	static bool isSeparator(dchar ch)
 	@nogc {
-		import std.algorithm.comparison : among;
-		return ch.among!('\\', '/') != 0;
+		return ch == '\\' || ch == '/';
 	}
 
 	static string getAbsolutePrefix(string path)