diff --git a/xs/src/libslic3r/PrintConfig.cpp b/xs/src/libslic3r/PrintConfig.cpp
index a00e99ce5..3094dbe28 100644
--- a/xs/src/libslic3r/PrintConfig.cpp
+++ b/xs/src/libslic3r/PrintConfig.cpp
@@ -39,7 +39,7 @@ void PrintConfigDef::init_common_params()
 
     def = this->add("bed_shape", coPoints);
     def->label = L("Bed shape");
-    def->default_value = new ConfigOptionPoints { Pointf(0,0), Pointf(200,0), Pointf(200,200), Pointf(0,200) };
+    def->default_value = new ConfigOptionPoints{ Vec2d(0, 0), Vec2d(200, 0), Vec2d(200, 200), Vec2d(0, 200) };
     
     def = this->add("layer_height", coFloat);
     def->label = L("Layer height");
diff --git a/xs/src/libslic3r/PrintConfig.hpp b/xs/src/libslic3r/PrintConfig.hpp
index 5144ad424..43e3af169 100644
--- a/xs/src/libslic3r/PrintConfig.hpp
+++ b/xs/src/libslic3r/PrintConfig.hpp
@@ -82,7 +82,7 @@ template<> inline const t_config_enum_values& ConfigOptionEnum<GCodeFlavor>::get
     return keys_map;
 }
 
-template<> inline t_config_enum_values& ConfigOptionEnum<PrintHostType>::get_enum_values() {
+template<> inline const t_config_enum_values& ConfigOptionEnum<PrintHostType>::get_enum_values() {
     static t_config_enum_values keys_map;
     if (keys_map.empty()) {
         keys_map["octoprint"]       = htOctoPrint;
@@ -91,7 +91,7 @@ template<> inline t_config_enum_values& ConfigOptionEnum<PrintHostType>::get_enu
     return keys_map;
 }
 
-template<> inline t_config_enum_values& ConfigOptionEnum<InfillPattern>::get_enum_values() {
+template<> inline const t_config_enum_values& ConfigOptionEnum<InfillPattern>::get_enum_values() {
     static t_config_enum_values keys_map;
     if (keys_map.empty()) {
         keys_map["rectilinear"]         = ipRectilinear;