diff --git a/code/modules/research/experimentor.dm b/code/modules/research/experimentor.dm
index 2a29843f616..88225c449c0 100644
--- a/code/modules/research/experimentor.dm
+++ b/code/modules/research/experimentor.dm
@@ -40,12 +40,6 @@
 		temp_list[O] = text2num(temp_list[O])
 	return temp_list
 
-/obj/machinery/r_n_d/experimentor/proc/ConvertReqList2String(var/list/source_list)
-	var/returnString = ""
-	for(var/O in source_list)
-		returnString += "[O];"
-	return returnString
-
 /* //uncomment to enable forced reactions.
 /obj/machinery/r_n_d/experimentor/verb/forceReaction()
 	set name = "Force Experimentor Reaction"
@@ -503,7 +497,7 @@
 			var/list/reqs = ConvertReqString2List(exp_on.origin_tech)
 			for(var/T in reqs)
 				reqs[T] = reqs[T] + 1
-			exp_on.origin_tech = ConvertReqList2String(reqs)
+			exp_on.origin_tech = list2params(reqs)
 		if(globalMalf > 51 && globalMalf < 75)
 			visible_message("<span class='notice'>[src] encounters a run-time error!</span>")
 			throwSmoke(src.loc)