diff --git a/Source/Heavy/CompatibleObjects.h b/Source/Heavy/CompatibleObjects.h
index 4f9be6157..c48c1dc54 100644
--- a/Source/Heavy/CompatibleObjects.h
+++ b/Source/Heavy/CompatibleObjects.h
@@ -61,6 +61,7 @@ class HeavyCompatibleObjects {
         "inlet",
         "int",
         "line",
+        "list",
         "loadbang",
         "log",
         "makenote",
@@ -176,6 +177,7 @@ class HeavyCompatibleObjects {
         "tabread4~",
         "tabread~",
         "tabwrite~",
+        "threshold~",
         "throw~",
         "vcf~",
         "vd~",