diff --git a/src/slic3r/GUI/GUI_Factories.cpp b/src/slic3r/GUI/GUI_Factories.cpp
index e5153b271..c03cab7d9 100644
--- a/src/slic3r/GUI/GUI_Factories.cpp
+++ b/src/slic3r/GUI/GUI_Factories.cpp
@@ -806,6 +806,10 @@ void MenuFactory::append_menu_items_flush_options(wxMenu* menu)
     ModelConfig& select_object_config = object_list->object(selection.get_object_idx())->config;
 
     wxMenu* flush_options_menu = new wxMenu();
+    auto can_flush = [&global_config]() {
+        auto option = global_config.option("enable_prime_tower");
+        return option ? option->getBool() : false;
+    };
     append_menu_check_item(flush_options_menu, wxID_ANY, _L("Flush into objects' infill"), "",
         [&select_object_config, &global_config](wxCommandEvent&) {
             const ConfigOption* option = select_object_config.option(FREQ_SETTINGS_BUNDLE_FFF["Flush options"][0]);
@@ -814,8 +818,8 @@ void MenuFactory::append_menu_items_flush_options(wxMenu* menu)
             }
             select_object_config.set_key_value(FREQ_SETTINGS_BUNDLE_FFF["Flush options"][0], new ConfigOptionBool(!option->getBool()));
             wxGetApp().obj_settings()->UpdateAndShow(true);
-        }, menu, []() {return true; }, 
-            [&select_object_config, &global_config]() {
+        }, menu, can_flush,
+        [&select_object_config, &global_config]() {
             const ConfigOption* option = select_object_config.option(FREQ_SETTINGS_BUNDLE_FFF["Flush options"][0]);
             if (!option) {
                 option = global_config.option(FREQ_SETTINGS_BUNDLE_FFF["Flush options"][0]);
@@ -831,8 +835,8 @@ void MenuFactory::append_menu_items_flush_options(wxMenu* menu)
             }
             select_object_config.set_key_value(FREQ_SETTINGS_BUNDLE_FFF["Flush options"][1], new ConfigOptionBool(!option->getBool()));
             wxGetApp().obj_settings()->UpdateAndShow(true);
-        }, menu, []() {return true; }, 
-            [&select_object_config, &global_config]() {
+        }, menu, can_flush,
+        [&select_object_config, &global_config]() {
             const ConfigOption* option = select_object_config.option(FREQ_SETTINGS_BUNDLE_FFF["Flush options"][1]);
             if (!option) {
                 option = global_config.option(FREQ_SETTINGS_BUNDLE_FFF["Flush options"][1]);
@@ -848,8 +852,8 @@ void MenuFactory::append_menu_items_flush_options(wxMenu* menu)
             }
             select_object_config.set_key_value(FREQ_SETTINGS_BUNDLE_FFF["Flush options"][2], new ConfigOptionBool(!option->getBool()));
             wxGetApp().obj_settings()->UpdateAndShow(true);
-        }, menu, []() {return true; }, 
-            [&select_object_config, &global_config]() {
+        }, menu, can_flush,
+        [&select_object_config, &global_config]() {
             const ConfigOption* option = select_object_config.option(FREQ_SETTINGS_BUNDLE_FFF["Flush options"][2]);
             if (!option) {
                 option = global_config.option(FREQ_SETTINGS_BUNDLE_FFF["Flush options"][2]);