diff --git a/lib/request/basic.py b/lib/request/basic.py
index 1b5f1a8a4..2bf8a8b80 100644
--- a/lib/request/basic.py
+++ b/lib/request/basic.py
@@ -68,13 +68,13 @@ def parseResponse(page, headers):
         # Detect injectable page absolute system path
         # NOTE: this regular expression works if the remote web application
         # is written in PHP and debug/error messages are enabled.
-        absFilePathsRegExp = ( r" in <b>(.*?)</b> on line",  r"\b[A-Za-z]:(\\[\w.\\]*)?", r"/[/\w.]+" )
+        absFilePathsRegExp = ( r" in <b>(?P<result>.*?)</b> on line",  r"\b(?P<result>[A-Za-z]:(\\[\w.\\]*)?)", r"(\A|[^<])(?P<result>/[/\w.]+)" )
 
         for absFilePathRegExp in absFilePathsRegExp:
             reobj = re.compile(absFilePathRegExp)
 
             for match in reobj.finditer(page):
-                absFilePath = match.group()
+                absFilePath = match.group("result")
 
                 if absFilePath not in kb.absFilePaths:
                     kb.absFilePaths.add(os.path.dirname(absFilePath))