diff --git a/chrome/content/zotero/xpcom/citeproc.js b/chrome/content/zotero/xpcom/citeproc.js
index 82c4fad94e..756c8569c8 100644
--- a/chrome/content/zotero/xpcom/citeproc.js
+++ b/chrome/content/zotero/xpcom/citeproc.js
@@ -121,7 +121,6 @@ var CSL = {
     MINIMAL_NAME_FIELDS: ["literal", "family"],
     SWAPPING_PUNCTUATION: [".", "!", "?", ":",","],
     TERMINAL_PUNCTUATION: [":", ".", ";", "!", "?", " "],
-    SPLICE_PUNCTUATION: [".", "!", "?", ":", ";", ","],
     NONE: 0,
     NUMERIC: 1,
     POSITION: 2,
@@ -1980,7 +1979,7 @@ CSL.DateParser = function () {
 };
 CSL.Engine = function (sys, style, lang, forceLang) {
     var attrs, langspec, localexml, locale;
-    this.processor_version = "1.0.261";
+    this.processor_version = "1.0.262";
     this.csl_version = "1.0";
     this.sys = sys;
     this.sys.xml = new CSL.System.Xml.Parsing();
@@ -3721,6 +3720,8 @@ CSL.getCitationCluster = function (inputList, citationID) {
             var tmpstr = composite.pop();
             if (tmpstr && tmpstr.slice(0, 1) === ",") {
                 objects.push(tmpstr);
+            } else if ("string" == typeof objects.slice(-1)[0] && objects.slice(-1)[0].slice(-1) === ",") {
+                objects.push(" " + tmpstr)
             } else if (tmpstr) {
                 objects.push(txt_esc(this.tmp.splice_delimiter) + tmpstr);
             }