diff --git a/src/libslic3r/Fill/Fill.cpp b/src/libslic3r/Fill/Fill.cpp
index 578c453344..9b0a46869d 100644
--- a/src/libslic3r/Fill/Fill.cpp
+++ b/src/libslic3r/Fill/Fill.cpp
@@ -165,7 +165,7 @@ std::vector<SurfaceFill> group_fills(const Layer &layer)
                     }
                     else {
                         if(region_config.top_surface_pattern == ipMonotonic || region_config.top_surface_pattern == ipMonotonicLine)
-                            params.pattern = region_config.top_surface_pattern;
+                            params.pattern = ipMonotonic;
                         else
                             params.pattern = ipRectilinear;
                     }
diff --git a/src/libslic3r/GCode.cpp b/src/libslic3r/GCode.cpp
index 9e0eb1b81a..b8d3833ab2 100644
--- a/src/libslic3r/GCode.cpp
+++ b/src/libslic3r/GCode.cpp
@@ -3886,7 +3886,7 @@ std::string GCode::_extrude(const ExtrusionPath &path, std::string description,
                 gcode += m_writer.extrude_to_xy(
                     this->point_to_gcode(line.b),
                     e_per_mm * line_length,
-                    comment);
+                    comment, path.is_force_no_extrusion());
             }
         } else {
             // BBS: start to generate gcode from arc fitting data which includes line and arc