diff --git a/codesite2git b/codesite2git
index 2ddba86..a957787 100755
--- a/codesite2git
+++ b/codesite2git
@@ -71,13 +71,15 @@ class CProjectGitExporter extends CProject {
         }
         
         // Copy all images to a doc/ subdirectory
-        mkdir($dest.'/doc');
-        foreach($this->images as $img) {
-            copy($this->dir.$img, $dest.'/doc/'.$img);
+        if (count($this->images) > 0) {
+            mkdir($dest.'/doc');
+            foreach($this->images as $img) {
+                // Normalise some legacy file extension variants while we're here
+                copy($this->dir.$img, $dest.'/doc/'.str_replace(['.jpeg', '.JPG', '.JPEG'], ['.jpg', '.jpg', '.jpg'], $img));
+            }
         }
 
         // Copy all downloads to a dist-archive/ subdirectory
-
         if (count($this->downloads) > 0) {
 
             mkdir($dest.'/dist-archive');