diff --git a/src/IDF/Views/Source.php b/src/IDF/Views/Source.php
index 56b9551..8395e7d 100644
--- a/src/IDF/Views/Source.php
+++ b/src/IDF/Views/Source.php
@@ -280,6 +280,7 @@ class IDF_Views_Source
 
 function IDF_Views_Source_PrettySize($size)
 {
-    return Pluf_Template::markSafe(Pluf_Utils::prettySize($size));
+    return Pluf_Template::markSafe(str_replace(' ', ' ',
+                                               Pluf_Utils::prettySize($size)));
 }