diff --git a/crypto/x509/x509_vpm.c b/crypto/x509/x509_vpm.c
index ad5c9e876..1ea0c69f5 100644
--- a/crypto/x509/x509_vpm.c
+++ b/crypto/x509/x509_vpm.c
@@ -181,7 +181,7 @@ X509_VERIFY_PARAM *X509_VERIFY_PARAM_new(void)
         OPENSSL_free(param);
         return NULL;
     }
-    memset(param, 0, sizeof *paramid);
+    memset(param, 0, sizeof *param);
     memset(paramid, 0, sizeof *paramid);
     param->id = paramid;
     x509_verify_param_zero(param);