diff --git a/src/osd/eminline.h b/src/osd/eminline.h
index 519b2b93154..6d3b301b8ad 100644
--- a/src/osd/eminline.h
+++ b/src/osd/eminline.h
@@ -12,6 +12,9 @@
 #ifndef __EMINLINE__
 #define __EMINLINE__
 
+#include "osdcomm.h"
+#include "osdcore.h"
+
 #if !defined(MAME_NOASM)
 /* we come with implementations for GCC x86 and PPC */
 #if defined(__GNUC__)
diff --git a/src/osd/modules/opengl/gl_shader_mgr.h b/src/osd/modules/opengl/gl_shader_mgr.h
index 69400d90dc2..532d40c30fe 100644
--- a/src/osd/modules/opengl/gl_shader_mgr.h
+++ b/src/osd/modules/opengl/gl_shader_mgr.h
@@ -4,6 +4,8 @@
 #ifndef GL_SHADER_MGR_H
 #define GL_SHADER_MGR_H
 
+#include "osd_opengl.h"
+
 // #define GLSL_SOURCE_ON_DISK 1
 
 enum GLSL_SHADER_FEATURE {