diff --git a/xs/xsp/Clipper.xsp b/xs/xsp/Clipper.xsp
index 55026948..dfd7ec56 100644
--- a/xs/xsp/Clipper.xsp
+++ b/xs/xsp/Clipper.xsp
@@ -4,6 +4,7 @@
 #include <myinit.h>
 #include "clipper.hpp"
 #include "ClipperUtils.hpp"
+#include "perlglue.hpp"
 %}
 
 %package{Slic3r::Geometry::Clipper};
diff --git a/xs/xsp/Config.xsp b/xs/xsp/Config.xsp
index 7c89a9bf..0d37b0e1 100644
--- a/xs/xsp/Config.xsp
+++ b/xs/xsp/Config.xsp
@@ -3,6 +3,7 @@
 %{
 #include <myinit.h>
 #include "PrintConfig.hpp"
+#include "perlglue.hpp"
 %}
 
 %name{Slic3r::Config} class DynamicPrintConfig {
diff --git a/xs/xsp/Extruder.xsp b/xs/xsp/Extruder.xsp
index d80b34d6..86c4fd8e 100644
--- a/xs/xsp/Extruder.xsp
+++ b/xs/xsp/Extruder.xsp
@@ -3,6 +3,7 @@
 %{
 #include <myinit.h>
 #include "Extruder.hpp"
+#include "perlglue.hpp"
 %}
 
 %name{Slic3r::Extruder} class Extruder {
diff --git a/xs/xsp/ExtrusionPath.xsp b/xs/xsp/ExtrusionPath.xsp
index 55ec7ddb..e4cc6e3f 100644
--- a/xs/xsp/ExtrusionPath.xsp
+++ b/xs/xsp/ExtrusionPath.xsp
@@ -4,6 +4,7 @@
 #include <myinit.h>
 #include "ExtrusionEntity.hpp"
 #include "ExtrusionEntityCollection.hpp"
+#include "perlglue.hpp"
 %}
 
 %name{Slic3r::ExtrusionPath} class ExtrusionPath {
diff --git a/xs/xsp/Geometry.xsp b/xs/xsp/Geometry.xsp
index 773e973b..b0497e35 100644
--- a/xs/xsp/Geometry.xsp
+++ b/xs/xsp/Geometry.xsp
@@ -3,6 +3,7 @@
 %{
 #include <myinit.h>
 #include "Geometry.hpp"
+#include "perlglue.hpp"
 %}
 
 
diff --git a/xs/xsp/Print.xsp b/xs/xsp/Print.xsp
index 25f52a71..f6ee9014 100644
--- a/xs/xsp/Print.xsp
+++ b/xs/xsp/Print.xsp
@@ -3,6 +3,7 @@
 %{
 #include <myinit.h>
 #include "Print.hpp"
+#include "perlglue.hpp"
 %}
 
 %name{Slic3r::Print::State} class PrintState {
diff --git a/xs/xsp/SurfaceCollection.xsp b/xs/xsp/SurfaceCollection.xsp
index 4bc2fc16..9924c2d4 100644
--- a/xs/xsp/SurfaceCollection.xsp
+++ b/xs/xsp/SurfaceCollection.xsp
@@ -3,6 +3,7 @@
 %{
 #include <myinit.h>
 #include "SurfaceCollection.hpp"
+#include "perlglue.hpp"
 %}
 
 %name{Slic3r::Surface::Collection} class SurfaceCollection {