diff --git a/src/libslic3r/GCode.cpp b/src/libslic3r/GCode.cpp
index b56ef7994..358656b17 100644
--- a/src/libslic3r/GCode.cpp
+++ b/src/libslic3r/GCode.cpp
@@ -2504,6 +2504,14 @@ GCode::LayerResult GCode::process_layer(
             gcode += "; open powerlost recovery\n";
             gcode += "M1003 S1\n";
         }
+        // BBS: open first layer inspection at second layer
+        if (print.config().scan_first_layer.value) {
+            // BBS: retract first to avoid droping when scan model
+            gcode += this->retract();
+            gcode += "M976 S1 P1 ; scan model before printing 2nd layer\n";
+            gcode += "M400 P100\n";
+            gcode += this->unretract();
+        }
 
         //BBS:  reset acceleration at sencond layer
         if (m_config.default_acceleration.value > 0 && m_config.initial_layer_acceleration.value > 0) {
@@ -3025,18 +3033,6 @@ GCode::LayerResult GCode::process_layer(
     file.write(gcode);
 #endif
 
-    // BBS: scan model after print first layer
-    // Note: for sequential printing, every object will have this
-    if (print.config().scan_first_layer.value) {
-        if (first_layer) {
-            //BBS: retract first to avoid droping when scan model
-            gcode += this->retract();
-            gcode += "M976 S1 P1 ; scan model after print first layer\n";
-            gcode += "M400 P100\n";
-            gcode += this->unretract();
-        }
-    }
-
     BOOST_LOG_TRIVIAL(trace) << "Exported layer " << layer.id() << " print_z " << print_z <<
     log_memory_info();