diff --git a/src/mod/applications/mod_spandsp/mod_spandsp_modem.h b/src/mod/applications/mod_spandsp/mod_spandsp_modem.h
index 7e89a9edc7..e98f71bfcc 100644
--- a/src/mod/applications/mod_spandsp/mod_spandsp_modem.h
+++ b/src/mod/applications/mod_spandsp/mod_spandsp_modem.h
@@ -31,7 +31,9 @@
  *
  */
 
+#ifndef WIN32
 #include "switch_private.h"
+#endif
 #if defined(HAVE_OPENPTY) || defined(HAVE_DEV_PTMX) || defined(HAVE_POSIX_OPENPT)
 #define MODEM_SUPPORT 1
 #if !defined(HAVE_POSIX_OPENPT) && !defined(HAVE_DEV_PTMX)