diff --git a/regress/misc/sk-dummy/sk-dummy.c b/regress/misc/sk-dummy/sk-dummy.c

index dca158de..afdcb1d2 100644

--- a/regress/misc/sk-dummy/sk-dummy.c

+++ b/regress/misc/sk-dummy/sk-dummy.c

@@ -71,7 +71,7 @@ skdebug(const char *func, const char *fmt, ...)

 #endif

 }

-uint32_t

+uint32_t __attribute__((visibility("default")))

 sk_api_version(void)

 {

 	return SSH_SK_VERSION_MAJOR;

@@ -220,7 +220,7 @@ check_options(struct sk_option **options)

 	return 0;

 }

-int

+int __attribute__((visibility("default")))

 sk_enroll(uint32_t alg, const uint8_t *challenge, size_t challenge_len,

     const char *application, uint8_t flags, const char *pin,

     struct sk_option **options, struct sk_enroll_response **enroll_response)

@@ -467,7 +467,7 @@ sig_ed25519(const uint8_t *message, size_t message_len,

 	return ret;

 }

-int

+int __attribute__((visibility("default")))

 sk_sign(uint32_t alg, const uint8_t *data, size_t datalen,

     const char *application, const uint8_t *key_handle, size_t key_handle_len,

     uint8_t flags, const char *pin, struct sk_option **options,

@@ -518,7 +518,7 @@ sk_sign(uint32_t alg, const uint8_t *message, size_t message_len,

 	return ret;

 }

-int

+int __attribute__((visibility("default")))

 sk_load_resident_keys(const char *pin, struct sk_option **options,

     struct sk_resident_key ***rks, size_t *nrks)

 {