diff --git a/xs/src/libslic3r/PrintConfig.cpp b/xs/src/libslic3r/PrintConfig.cpp
index 413f27dc2..42b3a64f5 100644
--- a/xs/src/libslic3r/PrintConfig.cpp
+++ b/xs/src/libslic3r/PrintConfig.cpp
@@ -937,7 +937,7 @@ PrintConfigDef::PrintConfigDef()
     def->tooltip = L("Enable the creation of a support layer under the first solid layer. Allow to use lower infill ratio without compromizing the top quality."
         " The dense infill is layed out with a 50% infill density.");
     def->cli = "infill-dense!";
-    def->default_value = new ConfigOptionBool(1);
+    def->default_value = new ConfigOptionBool(false);
 
     def = this->add("infill_dense_algo", coEnum);
     def->label = L("Algorithm");
@@ -1342,7 +1342,7 @@ PrintConfigDef::PrintConfigDef()
     def->category = L("Layers and Perimeters");
     def->tooltip = L("Experimental option to remove perimeters where there are nothing under and a bridged infill should be better.");
     def->cli = "no-perimeter-unsupported!";
-    def->default_value = new ConfigOptionBool(true);
+    def->default_value = new ConfigOptionBool(false);
 
     def = this->add("min_perimeter_unsupported", coInt);
     def->label = L("Minimum perimeters");
diff --git a/xs/src/slic3r/GUI/Tab.cpp b/xs/src/slic3r/GUI/Tab.cpp
index ad7f235db..3b3d7b0de 100644
--- a/xs/src/slic3r/GUI/Tab.cpp
+++ b/xs/src/slic3r/GUI/Tab.cpp
@@ -819,7 +819,7 @@ void TabPrint::build()
         optgroup->append_line(line);
 
         optgroup = page->new_optgroup(_(L("Advanced")));
-        line = { _(L("Avoid unsupported perimeters")), "" };
+        line = { _(L("Seam options")), "" };
         line.append_option(optgroup->get_option("seam_position"));
         line.append_option(optgroup->get_option("seam_travel"));
         optgroup->append_line(line);