diff --git a/chrome/content/zotero/xpcom/citeproc.js b/chrome/content/zotero/xpcom/citeproc.js
index dc97c275dd..1ac53b8606 100644
--- a/chrome/content/zotero/xpcom/citeproc.js
+++ b/chrome/content/zotero/xpcom/citeproc.js
@@ -2149,7 +2149,7 @@ CSL.DateParser = function () {
 };
 CSL.Engine = function (sys, style, lang, forceLang) {
     var attrs, langspec, localexml, locale;
-    this.processor_version = "1.0.292";
+    this.processor_version = "1.0.293";
     this.csl_version = "1.0";
     this.sys = sys;
     this.sys.xml = new CSL.System.Xml.Parsing();
@@ -4256,7 +4256,7 @@ CSL.Engine.prototype.localeSet = function (myxml, lang_in, lang_out) {
             }
         }
     }
-    if (lang_out && lang_out.slice(0, 2) === "fr") {
+    if (lang_out && ["fr", "pt"].indexOf(lang_out.slice(0, 2).toLowerCase()) > -1) {
         this.locale[lang_out].terms["page-range-delimiter"] = "-";
     } else {
         this.locale[lang_out].terms["page-range-delimiter"] = "\u2013";