diff --git a/cl_dll/cl_dll.h b/cl_dll/cl_dll.h
index e29f1e24..83d3d7ab 100644
--- a/cl_dll/cl_dll.h
+++ b/cl_dll/cl_dll.h
@@ -28,6 +28,7 @@
 #pragma once
 #if !defined(CL_DLL_H)
 #define CL_DLL_H
+#include "build.h"
 typedef unsigned char byte;
 typedef unsigned short word;
 typedef float vec_t;
diff --git a/cl_dll/input_mouse.h b/cl_dll/input_mouse.h
index 4948ccb0..1fa76eb6 100644
--- a/cl_dll/input_mouse.h
+++ b/cl_dll/input_mouse.h
@@ -1,7 +1,4 @@
 #pragma once
-
-#include "build.h"
-
 #if !defined(INPUT_MOUSE_H)
 #define INPUT_MOUSE_H
 #include "cl_dll.h"
diff --git a/dlls/extdll.h b/dlls/extdll.h
index 5f66daaa..9541ee16 100644
--- a/dlls/extdll.h
+++ b/dlls/extdll.h
@@ -15,7 +15,7 @@
 #pragma once
 #if !defined(EXTDLL_H)
 #define EXTDLL_H
-
+#include "build.h"
 //
 // Global header file for extension DLLs
 //