diff --git a/pandora_agents/win32/ChangeLog b/pandora_agents/win32/ChangeLog
index fa21f2f402..8765af9bc3 100644
--- a/pandora_agents/win32/ChangeLog
+++ b/pandora_agents/win32/ChangeLog
@@ -1,3 +1,9 @@
+2012-01-30  Ramon Novoa  <rnovoa@artica.es>
+
+	* modules/pandora_module_regexp.cc: Do not open the file in the
+	  constructor to avoid trouble if other modules modify it before
+	  the regexp module runs.
+
 2012-01-19  Ramon Novoa  <rnovoa@artica.es>
 
 	* modules/pandora_module_odbc.cc: Check for NULL pointers.
diff --git a/pandora_agents/win32/modules/pandora_module_regexp.cc b/pandora_agents/win32/modules/pandora_module_regexp.cc
index 663ad11fb1..2b5778cca4 100755
--- a/pandora_agents/win32/modules/pandora_module_regexp.cc
+++ b/pandora_agents/win32/modules/pandora_module_regexp.cc
@@ -47,12 +47,10 @@ Pandora_Module_Regexp::Pandora_Module_Regexp (string name, string source, string
        pandoraLog ("Invalid regular expression %s", pattern.c_str ());
     }
  
-    // Open the file and skip to the end
+    // Check whether the file can be opened
     this->file.open (source.c_str ());
     if (this->file.is_open ()) {
-		if (no_seek_eof == 0) {
-			this->file.seekg (0, ios_base::end);
-		}
+		this->file.close ();
     } else {
         pandoraLog ("Error opening file %s", source.c_str ());
     }