3 files changed, 6 insertions, 0 deletions
diff --git a/common/scaler/scale2x.cpp b/common/scaler/scale2x.cpp
index 5ba92c143f..6d8a73f8cc 100644
--- a/common/scaler/scale2x.cpp
+++ b/common/scaler/scale2x.cpp
@@ -36,6 +36,8 @@
 #include <config.h>
 #endif
 
+#include "common/scaler/intern.h"
+
 #include "scale2x.h"
 
 #include <assert.h>
diff --git a/common/scaler/scale3x.cpp b/common/scaler/scale3x.cpp
index 7b69833228..22366d7cdb 100644
--- a/common/scaler/scale3x.cpp
+++ b/common/scaler/scale3x.cpp
@@ -36,6 +36,8 @@
 #include <config.h>
 #endif
 
+#include "common/scaler/intern.h"
+
 #include "scale3x.h"
 
 #include <assert.h>
diff --git a/common/scaler/scalebit.cpp b/common/scaler/scalebit.cpp
index 4bb5e0a816..71d9172534 100644
--- a/common/scaler/scalebit.cpp
+++ b/common/scaler/scalebit.cpp
@@ -37,6 +37,8 @@
 #include <config.h>
 #endif
 
+#include "common/scaler/intern.h"
+
 #include "scale2x.h"
 #include "scale3x.h"