diff --git a/regress/misc/fuzz-harness/Makefile b/regress/misc/fuzz-harness/Makefile
index e879fcdae..3938ac853 100644
--- a/regress/misc/fuzz-harness/Makefile
+++ b/regress/misc/fuzz-harness/Makefile
@@ -7,7 +7,7 @@ FUZZ_LIBS=-lFuzzer
 CXXFLAGS=-O2 -g -Wall -Wextra -Wno-unused-parameter -I ../../.. $(FUZZ_FLAGS)
 CFLAGS=$(CXXFLAGS)
 LDFLAGS=-L ../../.. -L ../../../openbsd-compat -g $(FUZZ_FLAGS)
-LIBS=-lssh -lopenbsd-compat -lcrypto -lfido2 -lcbor $(FUZZ_LIBS)
+LIBS=-lssh -lopenbsd-compat -lmd -lcrypto -lfido2 -lcbor $(FUZZ_LIBS)
 SK_NULL_OBJS=ssh-sk-null.o
 COMMON_DEPS=../../../libssh.a
 
diff --git a/regress/misc/fuzz-harness/ssh-sk-null.cc b/regress/misc/fuzz-harness/ssh-sk-null.cc
index 199af1121..948c3d933 100644
--- a/regress/misc/fuzz-harness/ssh-sk-null.cc
+++ b/regress/misc/fuzz-harness/ssh-sk-null.cc
@@ -43,7 +43,8 @@ sshsk_sign(const char *provider_path, struct sshkey *key,
 
 int
 sshsk_load_resident(const char *provider_path, const char *device,
-    const char *pin, struct sshkey ***keysp, size_t *nkeysp)
+    const char *pin, u_int flags, struct sshsk_resident_key ***srksp,
+    size_t *nsrksp)
 {
 	return SSH_ERR_FEATURE_UNSUPPORTED;
 }