diff --git a/ipcalc.cgi b/ipcalc.cgi
index b2829ff..d0dcde7 100755
--- a/ipcalc.cgi
+++ b/ipcalc.cgi
@@ -40,7 +40,7 @@
 # 0.26   27.07.2006 Replaced REQUEST_URI with SCRIPT_URL to prevent cross-site-scripting attacks
 
 $|=1;
-$ipcalc = "/usr/local/bin/ipcalc";
+$ipcalc = "/usr/bin/ipcalc";
 $MAIL_ADDRESS="ipcalc-200502@jodies.de";
 # history:
 # 200404