diff --git a/src/ssl_crtlist.c b/src/ssl_crtlist.c
index f72f60e..077d6da 100644
--- a/src/ssl_crtlist.c
+++ b/src/ssl_crtlist.c
@@ -602,6 +602,13 @@
 
 					entry_dup = NULL; /* the entry was used, we need a new one next round */
 				}
+#if HA_OPENSSL_VERSION_NUMBER < 0x10101000L
+				if (found) {
+					memprintf(err, "%sCan't load '%s'. Loading a multi certificates bundle requires OpenSSL >= 1.1.1\n",
+						  err && *err ? *err : "", crt_path);
+					cfgerr |= ERR_ALERT | ERR_FATAL;
+				}
+#endif
 			}
 			if (!found) {
 				memprintf(err, "%sunable to stat SSL certificate from file '%s' : %s.\n",
diff --git a/src/ssl_sock.c b/src/ssl_sock.c
index 0490b2a..b8ba625 100644
--- a/src/ssl_sock.c
+++ b/src/ssl_sock.c
@@ -3501,7 +3501,13 @@
 					}
 				}
 			}
-
+#if HA_OPENSSL_VERSION_NUMBER < 0x10101000L
+			if (found) {
+				memprintf(err, "%sCan't load '%s'. Loading a multi certificates bundle requires OpenSSL >= 1.1.1\n",
+				          err && *err ? *err : "", path);
+				cfgerr |= ERR_ALERT | ERR_FATAL;
+			}
+#endif
 		}
 	}
 	if (!found) {