diff --git a/module_citeq.lua b/module_citeq.lua
index 1ae2e63..66c7367 100644
--- a/module_citeq.lua
+++ b/module_citeq.lua
@@ -920,6 +920,7 @@ local function _cite_q (citeq_args)
 		if citeq_args.ref == citeref then
 			citeq_args.ref = nil  -- avoid CS1 maint: ref duplicates default
 		else
+			tableset_add(opt_cat, cfg.i18n_t.trackingcats['supplied-ref'])
 			local tpara = frame:expandTemplate{ title = 'para', args = {'ref', citeq_args.ref} }
 			-- TODO: format and i18n this string
 			cq_errors = cq_errors .. ' <span class="error" style="font-size:inherit"><code class="cs1-code">{{[[Template:Cite Q|Cite Q]]}}</code>: supplied ' .. tpara .. ' does not match value generated from Wikidata: <code class="cs1-code">' .. citeref .. '</code> ([[Template:Cite Q#Error messages|help]])</span> '
diff --git a/module_citeq_config.lua b/module_citeq_config.lua
index 35dc8fa..560edae 100644
--- a/module_citeq_config.lua
+++ b/module_citeq_config.lua
@@ -33,6 +33,7 @@ local i18n_t = {
 		["unknown-author"] = "", -- [[Category:Cite Q - author unknown]] removed as misplaced; someone is welcome to restore it if it is placed outside of the template parameter value
 		["unknown-template"] = "[[Category:Cite Q - template unknown]]",
 		["missing-author-first-last-names"] = "[[Category:Cite Q - authors with missing given and family names]]",
+		["supplied-ref"] = "[[Category:Cite Q - supplied citeref does not match]]",
 	},
 }