diff --git a/src/libslic3r/Print.cpp b/src/libslic3r/Print.cpp
index c896b112ca..8238e8932d 100644
--- a/src/libslic3r/Print.cpp
+++ b/src/libslic3r/Print.cpp
@@ -1043,6 +1043,7 @@ boost::regex regex_g92e0 { "^[ \\t]*[gG]92[ \\t]*[eE](0(\\.0*)?|\\.0+)[ \\t]*(;.
 StringObjectException Print::validate(StringObjectException *warning, Polygons* collison_polygons, std::vector<std::pair<Polygon, float>>* height_polygons) const
 {
     std::vector<unsigned int> extruders = this->extruders();
+    unsigned int nozzles = m_config.nozzle_diameter.size();
 
     if (m_objects.empty())
         return {std::string()};
@@ -1050,7 +1051,7 @@ StringObjectException Print::validate(StringObjectException *warning, Polygons*
     if (extruders.empty())
         return { L("No extrusions under current settings.") };
 
-    if (extruders.size() > 1 && m_config.print_sequence != PrintSequence::ByObject) {
+    if (nozzles < 2 && extruders.size() > 1 && m_config.print_sequence != PrintSequence::ByObject) {
         auto ret = check_multi_filament_valid(*this);
         if (!ret.string.empty())
         {