diff --git a/src/vm/wren_vm.c b/src/vm/wren_vm.c
index 42e4dd97..d7c75d14 100644
--- a/src/vm/wren_vm.c
+++ b/src/vm/wren_vm.c
@@ -512,7 +512,10 @@ static Value validateSuperclass(WrenVM* vm, Value name, Value superclassValue,
       superclass == vm->listClass ||
       superclass == vm->mapClass ||
       superclass == vm->rangeClass ||
-      superclass == vm->stringClass)
+      superclass == vm->stringClass ||
+      superclass == vm->boolClass ||
+      superclass == vm->nullClass ||
+      superclass == vm->numClass)
   {
     return wrenStringFormat(vm,
         "Class '@' cannot inherit from built-in class '@'.",
diff --git a/test/language/inheritance/inherit_from_bool.wren b/test/language/inheritance/inherit_from_bool.wren
new file mode 100644
index 00000000..64587389
--- /dev/null
+++ b/test/language/inheritance/inherit_from_bool.wren
@@ -0,0 +1 @@
+class Subclass is Bool {} // expect runtime error: Class 'Subclass' cannot inherit from built-in class 'Bool'.
diff --git a/test/language/inheritance/inherit_from_null_class.wren b/test/language/inheritance/inherit_from_null_class.wren
new file mode 100644
index 00000000..d0d0f0c1
--- /dev/null
+++ b/test/language/inheritance/inherit_from_null_class.wren
@@ -0,0 +1 @@
+class Subclass is Null {} // expect runtime error: Class 'Subclass' cannot inherit from built-in class 'Null'.
diff --git a/test/language/inheritance/inherit_from_num.wren b/test/language/inheritance/inherit_from_num.wren
new file mode 100644
index 00000000..9e0a456c
--- /dev/null
+++ b/test/language/inheritance/inherit_from_num.wren
@@ -0,0 +1 @@
+class Subclass is Num {} // expect runtime error: Class 'Subclass' cannot inherit from built-in class 'Num'.