diff --git a/package/postgresql/postgresql.mk b/package/postgresql/postgresql.mk
index 3108fe65e1..89ba80557d 100644
--- a/package/postgresql/postgresql.mk
+++ b/package/postgresql/postgresql.mk
@@ -87,6 +87,13 @@ else
 POSTGRESQL_CONF_OPTS += --without-ldap
 endif
 
+ifeq ($(BR2_PACKAGE_ICU),y)
+POSTGRESQL_DEPENDENCIES += icu
+POSTGRESQL_CONF_OPTS += --with-icu
+else
+POSTGRESQL_CONF_OPTS += --without-icu
+endif
+
 ifeq ($(BR2_PACKAGE_LIBXML2),y)
 POSTGRESQL_DEPENDENCIES += libxml2
 POSTGRESQL_CONF_OPTS += --with-libxml