diff --git a/docs/log-message-tags/next-number b/docs/log-message-tags/next-number
index f507750d3d..df39956ee9 100644
--- a/docs/log-message-tags/next-number
+++ b/docs/log-message-tags/next-number
@@ -1 +1 @@
-2321
+2322
diff --git a/modules/ssl/ssl_util_ocsp.c b/modules/ssl/ssl_util_ocsp.c
index 94ef4cd0a9..e5c5e58da2 100644
--- a/modules/ssl/ssl_util_ocsp.c
+++ b/modules/ssl/ssl_util_ocsp.c
@@ -153,7 +153,13 @@ static char *get_line(apr_bucket_brigade *bbout, apr_bucket_brigade *bbin,
         return NULL;
     }
 
-    if (len && line[len-1] != APR_ASCII_LF) {
+    if (len == 0) {
+        ap_log_cerror(APLOG_MARK, APLOG_ERR, rv, c, APLOGNO(02321)
+                      "empty response from OCSP server");
+        return NULL;
+    }
+
+    if (line[len-1] != APR_ASCII_LF) {
         ap_log_cerror(APLOG_MARK, APLOG_ERR, rv, c, APLOGNO(01979)
                       "response header line too long from OCSP server");
         return NULL;