diff --git a/src/libslic3r/GCode.cpp b/src/libslic3r/GCode.cpp
index 8cd6b8f1d..6a996aaa3 100644
--- a/src/libslic3r/GCode.cpp
+++ b/src/libslic3r/GCode.cpp
@@ -1602,6 +1602,7 @@ namespace ProcessLayer
 {
 
     static std::string emit_custom_gcode_per_print_z(
+        GCode                                                   &gcodegen,
         const CustomGCode::Item 								*custom_gcode,
         // ID of the first extruder printing this layer.
         unsigned int                                             first_extruder_id,
@@ -1869,7 +1870,7 @@ void GCode::process_layer(
 
     if (single_object_instance_idx == size_t(-1)) {
         // Normal (non-sequential) print.
-        gcode += ProcessLayer::emit_custom_gcode_per_print_z(layer_tools.custom_gcode, first_extruder_id, print.config());
+        gcode += ProcessLayer::emit_custom_gcode_per_print_z(*this, layer_tools.custom_gcode, first_extruder_id, print.config());
     }
     // Extrude skirt at the print_z of the raft layers and normal object layers
     // not at the print_z of the interlaced support material layers.