diff --git a/xs/src/libslic3r/Config.cpp b/xs/src/libslic3r/Config.cpp
index 48d125cad..417054e18 100644
--- a/xs/src/libslic3r/Config.cpp
+++ b/xs/src/libslic3r/Config.cpp
@@ -209,7 +209,7 @@ ConfigBase::set(t_config_option_key opt_key, SV* value) {
             optv->values.push_back(std::string(SvPV_nolen(*elem), SvCUR(*elem)));
         }
     } else if (ConfigOptionPoint* optv = dynamic_cast<ConfigOptionPoint*>(opt)) {
-        return optv->point.from_SV(value);
+        return optv->point.from_SV_check(value);
     } else if (ConfigOptionPoints* optv = dynamic_cast<ConfigOptionPoints*>(opt)) {
         std::vector<Pointf> values;
         AV* av = (AV*)SvRV(value);
@@ -217,7 +217,7 @@ ConfigBase::set(t_config_option_key opt_key, SV* value) {
         for (size_t i = 0; i < len; i++) {
             SV** elem = av_fetch(av, i, 0);
             Pointf point;
-            if (elem == NULL || !point.from_SV(*elem)) return false;
+            if (elem == NULL || !point.from_SV_check(*elem)) return false;
             values.push_back(point);
         }
         optv->values = values;
diff --git a/xs/src/libslic3r/Point.cpp b/xs/src/libslic3r/Point.cpp
index c04ff71b3..ec13eb951 100644
--- a/xs/src/libslic3r/Point.cpp
+++ b/xs/src/libslic3r/Point.cpp
@@ -306,15 +306,16 @@ Pointf::from_SV(SV* point_sv)
     return true;
 }
 
-void
+bool
 Pointf::from_SV_check(SV* point_sv)
 {
     if (sv_isobject(point_sv) && (SvTYPE(SvRV(point_sv)) == SVt_PVMG)) {
         if (!sv_isa(point_sv, perl_class_name(this)) && !sv_isa(point_sv, perl_class_name_ref(this)))
             CONFESS("Not a valid %s object (got %s)", perl_class_name(this), HvNAME(SvSTASH(SvRV(point_sv))));
         *this = *(Pointf*)SvIV((SV*)SvRV( point_sv ));
+        return true;
     } else {
-        this->from_SV(point_sv);
+        return this->from_SV(point_sv);
     }
 }
 #endif
diff --git a/xs/src/libslic3r/Point.hpp b/xs/src/libslic3r/Point.hpp
index f23f14a90..d70a14093 100644
--- a/xs/src/libslic3r/Point.hpp
+++ b/xs/src/libslic3r/Point.hpp
@@ -75,7 +75,7 @@ class Pointf
     
     #ifdef SLIC3RXS
     bool from_SV(SV* point_sv);
-    void from_SV_check(SV* point_sv);
+    bool from_SV_check(SV* point_sv);
     SV* to_SV_pureperl() const;
     #endif
 };
diff --git a/xs/t/15_config.t b/xs/t/15_config.t
index 9b2f16ce0..cd4dc2654 100644
--- a/xs/t/15_config.t
+++ b/xs/t/15_config.t
@@ -4,7 +4,7 @@ use strict;
 use warnings;
 
 use Slic3r::XS;
-use Test::More tests => 105;
+use Test::More tests => 107;
 
 foreach my $config (Slic3r::Config->new, Slic3r::Config::Full->new) {
     $config->set('layer_height', 0.3);
@@ -60,6 +60,8 @@ foreach my $config (Slic3r::Config->new, Slic3r::Config::Full->new) {
     
     $config->set('extruder_offset', [[10,20],[30,45]]);
     is_deeply [ map $_->pp, @{$config->get('extruder_offset')} ], [[10,20],[30,45]], 'set/get points';
+    $config->set('extruder_offset', [Slic3r::Pointf->new(10,20),Slic3r::Pointf->new(30,45)]);
+    is_deeply [ map $_->pp, @{$config->get('extruder_offset')} ], [[10,20],[30,45]], 'set/get points';
     is $config->serialize('extruder_offset'), '10x20,30x45', 'serialize points';
     $config->set_deserialize('extruder_offset', '20x10');
     is_deeply [ map $_->pp, @{$config->get('extruder_offset')} ], [[20,10]], 'deserialize points';