diff --git a/auto/modules b/auto/modules
index 9ac1ddd..80c557c 100644
--- a/auto/modules
+++ b/auto/modules
@@ -197,6 +197,8 @@
 fi
 
 if [ $HTTP_AUTH_BASIC = YES ]; then
+    USE_MD5=YES
+    USE_SHA1=YES
     have=NGX_CRYPT . auto/have
     HTTP_MODULES="$HTTP_MODULES $HTTP_AUTH_BASIC_MODULE"
     HTTP_SRCS="$HTTP_SRCS $HTTP_AUTH_BASIC_SRCS"