diff --git a/src/interfaces/ecpg/include/ecpglib.h b/src/interfaces/ecpg/include/ecpglib.h
index fc429c96433c29545dc878d79d45bac7e2ca2a1c..8645aed3a8722464b58cf57bb3772a4a445fa6ae 100644
--- a/src/interfaces/ecpg/include/ecpglib.h
+++ b/src/interfaces/ecpg/include/ecpglib.h
@@ -6,7 +6,7 @@
 #ifndef _ECPGLIB_H
 #define _ECPGLIB_H
 
-#include "postgres_fe.h"
+#include "postgres_ext.h"
 #include "libpq-fe.h"
 
 #ifndef __BEOS__