diff --git a/modules/ssl/ssl_engine_init.c b/modules/ssl/ssl_engine_init.c
index 654ea052a7..5179a56db7 100644
--- a/modules/ssl/ssl_engine_init.c
+++ b/modules/ssl/ssl_engine_init.c
@@ -1063,6 +1063,9 @@ static int use_certificate_chain(
         ctx->extra_certs = NULL;
     }
 #endif
+
+    ERR_clear_error();
+
     /* create new extra chain by loading the certs */
     n = 0;
     while ((x509 = PEM_read_bio_X509(bio, NULL, cb, NULL)) != NULL) {
diff --git a/modules/ssl/ssl_util_ocsp.c b/modules/ssl/ssl_util_ocsp.c
index b11a6e924e..f355ac9e69 100644
--- a/modules/ssl/ssl_util_ocsp.c
+++ b/modules/ssl/ssl_util_ocsp.c
@@ -363,6 +363,9 @@ static STACK_OF(X509) *modssl_read_ocsp_certificates(const char *file)
         BIO_free(bio);
         return NULL;
     }
+
+    ERR_clear_error();
+
     /* create new extra chain by loading the certs */
     while ((x509 = PEM_read_bio_X509(bio, NULL, NULL, NULL)) != NULL) {
         if (!other_certs) {