diff --git a/ext/upload/main.php b/ext/upload/main.php
index 9c92cb19..2e7a073e 100644
--- a/ext/upload/main.php
+++ b/ext/upload/main.php
@@ -56,9 +56,7 @@ class Upload extends Extension {
 			$this->is_full = false;
 		}
 		else {
-			// TODO: This size limit should be configureable by the admin...
-			// currently set to 100 MB
-			$this->is_full = $free_num < 100*1024*1024;
+			$this->is_full = $free_num < MIN_FREE_SPACE;
 		}
 
 	}