diff --git a/src/libecmabuiltins/ecma-builtins.c b/src/libecmabuiltins/ecma-builtins.c
index f9f6ffccb..693b89f33 100644
--- a/src/libecmabuiltins/ecma-builtins.c
+++ b/src/libecmabuiltins/ecma-builtins.c
@@ -119,6 +119,46 @@ ecma_builtin_init_object (ecma_builtin_id_t obj_builtin_id, /**< built-in ID */
 
   ecma_set_object_is_builtin (object_obj_p, true);
 
+  /** Initializing [[PrimitiveValue]] properties of built-in prototype objects */
+  switch (obj_builtin_id)
+  {
+    case ECMA_BUILTIN_ID_STRING_PROTOTYPE:
+    {
+      ecma_string_t *prim_prop_str_value_p = ecma_get_magic_string (ECMA_MAGIC_STRING__EMPTY);
+
+      ecma_property_t *prim_value_prop_p;
+      prim_value_prop_p = ecma_create_internal_property (object_obj_p,
+                                                         ECMA_INTERNAL_PROPERTY_PRIMITIVE_STRING_VALUE);
+      ECMA_SET_POINTER (prim_value_prop_p->u.internal_property.value, prim_prop_str_value_p);
+      break;
+    }
+    case ECMA_BUILTIN_ID_NUMBER_PROTOTYPE:
+    {
+      ecma_number_t *prim_prop_num_value_p = ecma_alloc_number ();
+      *prim_prop_num_value_p = ECMA_NUMBER_ZERO;
+
+      ecma_property_t *prim_value_prop_p;
+      prim_value_prop_p = ecma_create_internal_property (object_obj_p,
+                                                         ECMA_INTERNAL_PROPERTY_PRIMITIVE_NUMBER_VALUE);
+      ECMA_SET_POINTER (prim_value_prop_p->u.internal_property.value, prim_prop_num_value_p);
+
+      break;
+    }
+    case ECMA_BUILTIN_ID_BOOLEAN_PROTOTYPE:
+    {
+      ecma_property_t *prim_value_prop_p;
+      prim_value_prop_p = ecma_create_internal_property (object_obj_p,
+                                                         ECMA_INTERNAL_PROPERTY_PRIMITIVE_BOOLEAN_VALUE);
+      prim_value_prop_p->u.internal_property.value = ECMA_SIMPLE_VALUE_FALSE;
+      break;
+    }
+
+    default:
+    {
+      break;
+    }
+  }
+
   return object_obj_p;
 } /* ecma_builtin_init_object */