diff --git a/package/whois/Config.in b/package/whois/Config.in
index d2a030282b..19c22b5583 100644
--- a/package/whois/Config.in
+++ b/package/whois/Config.in
@@ -1,6 +1,7 @@
 config BR2_PACKAGE_WHOIS
 	bool "whois"
 	depends on BR2_PACKAGE_BUSYBOX_SHOW_OTHERS
+	select BR2_PACKAGE_LIBXCRYPT if BR2_TOOLCHAIN_USES_GLIBC
 	help
 	  Improved whois client.
 
diff --git a/package/whois/whois.mk b/package/whois/whois.mk
index 5a85bea358..e98add4e6a 100644
--- a/package/whois/whois.mk
+++ b/package/whois/whois.mk
@@ -10,6 +10,7 @@ WHOIS_SOURCE = whois_$(WHOIS_VERSION).tar.xz
 WHOIS_DEPENDENCIES = \
 	host-pkgconf \
 	$(if $(BR2_PACKAGE_LIBIDN2),libidn2) \
+	$(if $(BR2_PACKAGE_LIBXCRYPT),libxcrypt) \
 	$(TARGET_NLS_DEPENDENCIES)
 WHOIS_MAKE_ENV = $(TARGET_MAKE_ENV)
 WHOIS_MAKE_OPTS = CC="$(TARGET_CC)" CFLAGS="$(TARGET_CFLAGS)" \