diff --git a/lib/Slic3r/Config.pm b/lib/Slic3r/Config.pm
index 022c206f1..366c96f2c 100644
--- a/lib/Slic3r/Config.pm
+++ b/lib/Slic3r/Config.pm
@@ -89,10 +89,17 @@ sub load {
     
     # legacy syntax of load()
     my $config = $class->new;
-    $config->_load($file);
+    $config->_load(Slic3r::encode_path($file));
     return $config;
 }
 
+sub save {
+    my $self = shift;
+    my ($file) = @_;
+    
+    return $self->_save(Slic3r::encode_path($file));
+}
+
 sub load_ini_hash {
     my $class = shift;
     my ($ini_hash) = @_;
diff --git a/xs/xsp/Config.xsp b/xs/xsp/Config.xsp
index 4bc608191..496269a73 100644
--- a/xs/xsp/Config.xsp
+++ b/xs/xsp/Config.xsp
@@ -39,7 +39,7 @@
     %name{setenv} void setenv_();
     double min_object_distance();
     %name{_load} void load(std::string file);
-    void save(std::string file);
+    %name{_save} void save(std::string file);
 };
 
 %name{Slic3r::Config::Static} class StaticPrintConfig {
@@ -87,7 +87,7 @@
     %name{setenv} void setenv_();
     double min_object_distance();
     %name{_load} void load(std::string file);
-    void save(std::string file);
+    %name{_save} void save(std::string file);
 };
 
 %package{Slic3r::Config};
diff --git a/xs/xsp/my.map b/xs/xsp/my.map
index 43848e3d6..5f87f51c2 100644
--- a/xs/xsp/my.map
+++ b/xs/xsp/my.map
@@ -254,7 +254,7 @@ INPUT
 T_STD_STRING
     {
       size_t len;
-      const char * c = SvPVutf8($arg, len);
+      const char * c = SvPV($arg, len);
       $var = std::string(c, len);
     }