diff --git a/tests/OpenSSLErrorTest.cpp b/tests/OpenSSLErrorTest.cpp
index 1f252730e..2c9a2dae1 100644
--- a/tests/OpenSSLErrorTest.cpp
+++ b/tests/OpenSSLErrorTest.cpp
@@ -436,7 +436,7 @@ inline namespace test_keys {
 	extern std::string ed25519_pub_key;
 	extern std::string ed25519_pub_key_invalid;
 	extern std::string ed25519_certificate;
-	extern std::string ed25519_certificate_base64_der
+	extern std::string ed25519_certificate_base64_der;
 	extern std::string ed448_priv_key;
 	extern std::string ed448_pub_key;
 	extern std::string ed448_pub_key_invalid;