diff --git a/src/config.h.in b/src/config.h.in
index 0de6dceea..44dd5f36d 100644
--- a/src/config.h.in
+++ b/src/config.h.in
@@ -73,3 +73,6 @@
 
 /* Define to 1 if you have the `geteuid' function. */
 #undef HAVE_GETEUID
+
+/* Define to 1 if you have the <pwd.h> header file. */
+#undef HAVE_PWD_H