diff --git a/extensions/cpp/package.json b/extensions/cpp/package.json
index e02009fb57f..d302aa46ffd 100644
--- a/extensions/cpp/package.json
+++ b/extensions/cpp/package.json
@@ -35,6 +35,7 @@
 					".hpp",
 					".hh",
 					".hxx",
+					".h++",
 					".h",
 					".ii",
 					".ino",