diff --git a/lib/Slic3r/GUI/Tab.pm b/lib/Slic3r/GUI/Tab.pm
index 35a7f6682..cb620fbb9 100644
--- a/lib/Slic3r/GUI/Tab.pm
+++ b/lib/Slic3r/GUI/Tab.pm
@@ -890,6 +890,22 @@ sub _update {
         $self->load_config($new_conf);
     }
 
+    if ($config->wipe_tower && $config->support_material && $config->support_material_contact_distance == 0 && 
+        ! $config->support_material_synchronize_layers) {
+        my $dialog = Wx::MessageDialog->new($self,
+            "For the Wipe Tower to work with the soluble supports, the support layers\n"
+            . "need to be synchronized with the object layers.\n"
+            . "\nShall I synchronize support layers in order to enable the Wipe Tower?",
+            'Wipe Tower', wxICON_WARNING | wxYES | wxNO);
+        my $new_conf = Slic3r::Config->new;
+        if ($dialog->ShowModal() == wxID_YES) {
+            $new_conf->set("support_material_synchronize_layers", 1);
+        } else {
+            $new_conf->set("wipe_tower", 0);
+        }
+        $self->load_config($new_conf);
+    }
+
     if ($keys_modified->{'layer_height'}) {
         # If the user had set the variable layer height, reset it and let the user know.
     }
diff --git a/xs/src/libslic3r/Print.cpp b/xs/src/libslic3r/Print.cpp
index 81718d7bb..bbff4fc6d 100644
--- a/xs/src/libslic3r/Print.cpp
+++ b/xs/src/libslic3r/Print.cpp
@@ -573,6 +573,18 @@ std::string Print::validate() const
             return "The Wipe Tower is currently only supported for the RepRap (Marlin / Sprinter) G-code flavor.";
         if (! this->config.use_relative_e_distances)
             return "The Wipe Tower is currently only supported with the relative extruder addressing (use_relative_e_distances=1).";
+        for (PrintObject *object : this->objects) {
+            if (std::abs(object->config.first_layer_height - this->objects.front()->config.first_layer_height) > EPSILON ||
+                std::abs(object->config.layer_height       - this->objects.front()->config.layer_height      ) > EPSILON)
+                return "The Wipe Tower is only supported for multiple objects if they have equal layer heigths";
+            object->update_layer_height_profile();
+            if (object->layer_height_profile.size() != 8 ||
+                std::abs(object->layer_height_profile[1] - object->config.first_layer_height) > EPSILON ||
+                std::abs(object->layer_height_profile[3] - object->config.first_layer_height) > EPSILON ||
+                std::abs(object->layer_height_profile[5] - object->config.layer_height) > EPSILON ||
+                std::abs(object->layer_height_profile[7] - object->config.layer_height) > EPSILON)
+                return "The Wipe Tower is currently only supported with constant Z layer spacing. Layer editing is not allowed.";
+        }
     }
     
     {