diff --git a/mingw-w64-headers/include/sperror.h b/mingw-w64-headers/include/sperror.h
new file mode 100644
index 0000000..6376a60
--- /dev/null
+++ b/mingw-w64-headers/include/sperror.h
@@ -0,0 +1,26 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the mingw-w64 runtime package.
+ * No warranty is given; refer to the file DISCLAIMER.PD within this package.
+ */
+
+#ifndef SPError_h
+#define SPError_h
+
+#include <winapifamily.h>
+
+#if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
+
+#include <winerror.h>
+
+#define FACILITY_SAPI FACILITY_ITF
+#define SAPI_ERROR_BASE 0x5000
+
+#define MAKE_SAPI_HRESULT(sev, err) MAKE_HRESULT(sev, FACILITY_SAPI, err)
+#define MAKE_SAPI_ERROR(err)        MAKE_SAPI_HRESULT(SEVERITY_ERROR, err+SAPI_ERROR_BASE)
+#define MAKE_SAPI_SCODE(scode)      MAKE_SAPI_HRESULT(SEVERITY_SUCCESS, scode+SAPI_ERROR_BASE)
+
+#define SPERR_NOT_FOUND MAKE_SAPI_ERROR(0x003a)
+
+#endif
+#endif