More sanity checks

diff --git a/rules/html.lua b/rules/html.lua
index 3ceaed6728fc5bf30be4c6bfb2ae10435190dc75..c2635a8d0698e5e5bd7528f87e47e80c4a476030 100644 (file)
--- a/rules/html.lua
+++ b/rules/html.lua
@@ -78,7 +78,7 @@ rspamd_config.R_EMPTY_IMAGE = {
         local hc = p:get_html() -- we get HTML context
         local len = p:get_length() -- and part's length
 
-        if len < 50 then -- if we have a part that has less than 50 bytes of text
+        if hc and len < 50 then -- if we have a part that has less than 50 bytes of text
           local images = hc:get_images() -- then we check for HTML images
 
           if images then -- if there are images