diff --git a/include/share/compat.h b/include/share/compat.h
index b8727621..491b5cbd 100644
--- a/include/share/compat.h
+++ b/include/share/compat.h
@@ -175,6 +175,10 @@
 #define flac_fstat fstat
 #endif
 
+#ifndef WINAPI_FAMILY_PARTITION
+#define WINAPI_FAMILY_PARTITION(x) 0
+#endif
+
 #ifdef ANDROID
 #include <limits.h>
 #endif
diff --git a/src/libFLAC/windows_unicode_filenames.c b/src/libFLAC/windows_unicode_filenames.c
index 3c916681..cb60c60a 100644
--- a/src/libFLAC/windows_unicode_filenames.c
+++ b/src/libFLAC/windows_unicode_filenames.c
@@ -34,6 +34,7 @@
 #endif
 
 #include <io.h>
+#include "share/compat.h"
 #include "share/windows_unicode_filenames.h"
 
 /* convert UTF-8 back to WCHAR. Caller is responsible for freeing memory */