diff --git a/lib/krb5/enomem.c b/lib/krb5/enomem.c
index 0e67fa879..371b07ff5 100644
--- a/lib/krb5/enomem.c
+++ b/lib/krb5/enomem.c
@@ -33,7 +33,7 @@
 
 #include "krb5_locl.h"
 
-krb5_error_code
+KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
 krb5_enomem(krb5_context context)
 {
     krb5_set_error_message(context, ENOMEM, N_("malloc: out of memory", ""));