diff --git a/src/collective/texttospeech/static/main.js b/src/collective/texttospeech/static/main.js
index 2a89da1..cb81ea9 100644
--- a/src/collective/texttospeech/static/main.js
+++ b/src/collective/texttospeech/static/main.js
@@ -34,7 +34,8 @@ var MainView = (function() {
       }
     } else {
       responsiveVoice.speak(
-        $('#content').text(),
+        // For some firefox we need to take out the spaces
+        $('#content').text().replace(/\s+/g, ' ').trim(),
         this.voice, {
           onstart: $.proxy(this.onstart, this),
           onend: $.proxy(this.onend, this)