diff --git a/Userland/DevTools/HackStudio/Language.cpp b/Userland/DevTools/HackStudio/Language.cpp
index c4d87f18f2..ea20a39adf 100644
--- a/Userland/DevTools/HackStudio/Language.cpp
+++ b/Userland/DevTools/HackStudio/Language.cpp
@@ -12,7 +12,7 @@ Language language_from_file_extension(const String& extension)
 {
     VERIFY(!extension.starts_with("."));
     if (extension == "c" || extension == "cc" || extension == "cxx" || extension == "cpp" || extension == "c++"
-        || extension == "h" || extension == "cc" || extension == "hxx" || extension == "hpp" || extension == "h++")
+        || extension == "h" || extension == "hh" || extension == "hxx" || extension == "hpp" || extension == "h++")
         return Language::Cpp;
     if (extension == "js" || extension == "mjs" || extension == "json")
         return Language::JavaScript;