diff --git a/lib/controller/checks.py b/lib/controller/checks.py
index 7a1d14832..af6b97614 100644
--- a/lib/controller/checks.py
+++ b/lib/controller/checks.py
@@ -14,6 +14,7 @@ import time
 from difflib import SequenceMatcher
 
 from lib.core.agent import agent
+from lib.core.common import beep
 from lib.core.common import getFilteredPageContent
 from lib.core.common import getUnicode
 from lib.core.common import preparePageForLineComparison
@@ -81,8 +82,12 @@ def checkSqlInjection(place, parameter, value, parenthesis):
 
             if not falseResult:
                 infoMsg  = "%s parameter '%s' is %s (%s) injectable " % (place, parameter, case.desc, logic)
-                infoMsg += "with %d parenthesis%s" % (parenthesis, "\a" if conf.beep else "")
+                infoMsg += "with %d parenthesis" % parenthesis
                 logger.info(infoMsg)
+
+                if conf.beep:
+                    beep()
+
                 return case.name
 
     return None
diff --git a/lib/core/common.py b/lib/core/common.py
index 86f6380b0..02c8b8053 100644
--- a/lib/core/common.py
+++ b/lib/core/common.py
@@ -1494,3 +1494,24 @@ def wasLastRequestError():
     Returns True if the last web request resulted in a (recognized) DBMS error page
     """
     return kb.lastErrorPage and kb.lastErrorPage[0]==kb.lastRequestUID
+
+def beep():
+    """
+    Does an audible beep sound
+    Reference: http://de3.aminet.net/dev/src/clr.py.txt
+    """
+    if sys.platform=='linux2':
+        try:
+            audio=file('/dev/audio', 'wb')
+            count=0
+            while count < 250:
+                beep=chr(32) * 4
+                audio.write(beep)
+                beep=chr(0) * 4
+                audio.write(beep)
+                count=count + 1
+            audio.close()
+        except:
+            print '\a'
+    else:
+        print '\a'