diff --git a/package/postgresql/postgresql.mk b/package/postgresql/postgresql.mk
index 03154afe3a..7ebf79530f 100644
--- a/package/postgresql/postgresql.mk
+++ b/package/postgresql/postgresql.mk
@@ -14,6 +14,12 @@ POSTGRESQL_INSTALL_STAGING = YES
 POSTGRESQL_CONFIG_SCRIPTS = pg_config
 
 ifeq ($(BR2_TOOLCHAIN_USES_UCLIBC),y)
+# overwrite IPV6 detection
+ifeq ($(BR2_INET_IPV6),y)
+POSTGRESQL_CONF_ENV += ac_cv_type_struct_sockaddr_in6=yes
+else
+POSTGRESQL_CONF_ENV += ac_cv_type_struct_sockaddr_in6=no
+endif
 # PostgreSQL does not build against uClibc with locales
 # enabled, due to an uClibc bug, see
 # http://lists.uclibc.org/pipermail/uclibc/2014-April/048326.html