diff --git a/crypto/signature_cgo.go b/crypto/signature_cgo.go
index fcf0fa9d8ad44..53f014e87576d 100644
--- a/crypto/signature_cgo.go
+++ b/crypto/signature_cgo.go
@@ -14,8 +14,8 @@
 // You should have received a copy of the GNU Lesser General Public License
 // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
 
-//go:build !nacl && !js && cgo
-// +build !nacl,!js,cgo
+//go:build !nacl && !js && cgo && !gofuzz
+// +build !nacl,!js,cgo,!gofuzz
 
 package crypto
 
diff --git a/crypto/signature_nocgo.go b/crypto/signature_nocgo.go
index e52f50409c490..66836e5f41cfe 100644
--- a/crypto/signature_nocgo.go
+++ b/crypto/signature_nocgo.go
@@ -14,8 +14,8 @@
 // You should have received a copy of the GNU Lesser General Public License
 // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
 
-//go:build nacl || js || !cgo
-// +build nacl js !cgo
+//go:build nacl || js || !cgo || gofuzz
+// +build nacl js !cgo gofuzz
 
 package crypto