diff --git a/src/ssl_sock.c b/src/ssl_sock.c
index acfa15b26..08aa28273 100644
--- a/src/ssl_sock.c
+++ b/src/ssl_sock.c
@@ -1195,8 +1195,10 @@ static int ssl_sock_load_ocsp(const char *path, SSL_CTX *ctx, struct ckch_store
 		EVP_PKEY *pkey;
 
 		cb_arg = calloc(1, sizeof(*cb_arg));
-		if (!cb_arg)
+		if (!cb_arg) {
+			HA_SPIN_UNLOCK(OCSP_LOCK, &ocsp_tree_lock);
 			goto out;
+		}
 
 		cb_arg->is_single = 1;
 		cb_arg->s_ocsp = iocsp;