diff --git a/src/libslic3r/PrintConfig.cpp b/src/libslic3r/PrintConfig.cpp
index e13f16dc2..98a231303 100644
--- a/src/libslic3r/PrintConfig.cpp
+++ b/src/libslic3r/PrintConfig.cpp
@@ -493,7 +493,7 @@ void PrintConfigDef::init_common_params()
     def->label = L("Extruder printable area");
     def->mode = comAdvanced;
     def->gui_type = ConfigOptionDef::GUIType::one_string;
-    def->set_default_value(new ConfigOptionPointsGroups{ {} });
+    def->set_default_value(new ConfigOptionPointsGroups{});
 
     //BBS: add "bed_exclude_area"
     def = this->add("bed_exclude_area", coPoints);