diff --git a/hw/xquartz/xpr/xprScreen.c b/hw/xquartz/xpr/xprScreen.c
index d0a525ff4..30f2218b6 100644
--- a/hw/xquartz/xpr/xprScreen.c
+++ b/hw/xquartz/xpr/xprScreen.c
@@ -54,6 +54,8 @@
 #include "damage.h"
 #endif
 
+#include "nonsdk_extinit.h"
+
 #if MAC_OS_X_VERSION_MIN_REQUIRED < 1090
 // From NSApplication.h
 extern const double NSAppKitVersionNumber;
diff --git a/mi/miinitext.c b/mi/miinitext.c
index 5872bf534..086d2c3fb 100644
--- a/mi/miinitext.c
+++ b/mi/miinitext.c
@@ -108,6 +108,9 @@ SOFTWARE.
 #include "misc.h"
 #include "extension.h"
 #include "extinit.h"
+#ifdef INXQUARTZ
+#include "nonsdk_extinit.h"
+#endif
 #include "micmap.h"
 #include "globals.h"