diff --git a/package/lean/vsftpd-alt/Makefile b/package/lean/vsftpd-alt/Makefile
index dd3a356d4..db88e30c5 100644
--- a/package/lean/vsftpd-alt/Makefile
+++ b/package/lean/vsftpd-alt/Makefile
@@ -48,6 +48,8 @@ endef
 
 ifneq ($(CONFIG_USE_MUSL),)
   NLSSTRING:=-lcrypt
+else ifneq ($(CONFIG_USE_GLIBC),)
+  NLSSTRING:=-lcrypt
 else
   NLSSTRING:=-lcrypt -lnsl
 endif