diff --git a/lib/ssiparser.js b/lib/ssiparser.js
index <HASH>..<HASH> 100644
--- a/lib/ssiparser.js
+++ b/lib/ssiparser.js
@@ -38,7 +38,7 @@ function setFileCache(filepath) {
 function sync (text, options, clearCache) {
 	var i, len, list, index, file, filepath,
         fileRoot = options ? options.root : '',
-        includeRE = /<!--#include\s+(?:virtual|file)="(\S+)"\s*-->/gi;
+        includeRE = /<!--#\s*include\s+(?:virtual|file)="(\S+)"\s*-->/gi;
 
         if (clearCache) {
             fileCache = [];
fix ssi regex

there can be space after #