diff --git a/winsup/w32api/ChangeLog b/winsup/w32api/ChangeLog
index d9a5f5fa8..50e91c962 100644
--- a/winsup/w32api/ChangeLog
+++ b/winsup/w32api/ChangeLog
@@ -1,3 +1,7 @@
+2009-20-10  Aleksey Chernov  <virxkane@users.sourceforge.net>
+
+	* include/sspi.h: Include ntsecapi.h to correct postgresql build error.
+
 2009-20-10  Heiko Hund  <heiko@ist.eigentlich.net>
 
 	* include/commctrl.h (GetMUILanguage, InitMUILanguage): Add prototypes.
diff --git a/winsup/w32api/include/sspi.h b/winsup/w32api/include/sspi.h
index 07639e84a..8881780cc 100644
--- a/winsup/w32api/include/sspi.h
+++ b/winsup/w32api/include/sspi.h
@@ -4,6 +4,8 @@
 #pragma GCC system_header
 #endif
 
+#include <ntsecapi.h>
+
 #ifdef __cplusplus
 extern "C" {
 #endif