2 files changed, 2 insertions, 0 deletions
diff --git a/src/backend/libpq/auth.c b/src/backend/libpq/auth.c
index 41d60e06d0c..290eb17325b 100644
--- a/src/backend/libpq/auth.c
+++ b/src/backend/libpq/auth.c
@@ -19,6 +19,7 @@
 #include <sys/select.h>
 #include <sys/socket.h>
 #include <netinet/in.h>
+#include <netdb.h>
 #include <pwd.h>
 #include <unistd.h>
 
diff --git a/src/backend/libpq/hba.c b/src/backend/libpq/hba.c
index 66f2156cded..857b9e5eb24 100644
--- a/src/backend/libpq/hba.c
+++ b/src/backend/libpq/hba.c
@@ -21,6 +21,7 @@
 #include <fcntl.h>
 #include <sys/param.h>
 #include <sys/socket.h>
+#include <netdb.h>
 #include <netinet/in.h>
 #include <arpa/inet.h>
 #include <unistd.h>