diff --git a/code/modules/client/preferences/_preference.dm b/code/modules/client/preferences/_preference.dm
index e5384bc7da1..26867462dfa 100644
--- a/code/modules/client/preferences/_preference.dm
+++ b/code/modules/client/preferences/_preference.dm
@@ -498,6 +498,8 @@ GLOBAL_LIST_INIT(preference_entries_by_key, init_preference_entries_by_key())
 	abstract_type = /datum/preference/numeric
 
 /datum/preference/numeric/deserialize(input, datum/preferences/preferences)
+	if(istext(input)) // Sometimes TGUI will return a string instead of a number, so we take that into account.
+		input = text2num(input) // Worst case, it's null, it'll just use create_default_value()
 	return sanitize_float(input, minimum, maximum, step, create_default_value())
 
 /datum/preference/numeric/serialize(input)