diff --git a/lib/hx509/hxtool.c b/lib/hx509/hxtool.c
index d94117bd1..9ed0a281d 100644
--- a/lib/hx509/hxtool.c
+++ b/lib/hx509/hxtool.c
@@ -740,6 +740,12 @@ ocsp_fetch(struct ocsp_fetch_options *opt, int argc, char **argv)
     return 0;
 }
 
+int
+pkcs10_create(struct pkcs10_create_options *opt, int argc, char **argv)
+{
+    return 0;
+}
+
 int
 pkcs10_print(struct pkcs10_print_options *opt, int argc, char **argv)
 {