diff --git a/lib/core/option.py b/lib/core/option.py
index 47af9874d..2efdafc45 100644
--- a/lib/core/option.py
+++ b/lib/core/option.py
@@ -1418,13 +1418,21 @@ def __useWizardInterface():
 
     logger.info("starting wizard interface")
 
-    while not conf.url:
-        message = "Please enter full target URL (-u): "
-        conf.url = readInput(message, default=None)
+    while True:
+        while not conf.url:
+            message = "Please enter full target URL (-u): "
+            conf.url = readInput(message, default=None)
 
-    message = "POST data (--data) [Enter for None]: "
-    conf.data = readInput(message, default=None)
+        message = "POST data (--data) [Enter for None]: "
+        conf.data = readInput(message, default=None)
 
+        if any(filter(lambda x: '=' in str(x), [conf.url, conf.data])):
+            break
+        else:
+            conf.url = conf.data = None
+            warnMsg = "no testable parameter(s) found "
+            warnMsg += "(e.g. GET parameter 'id' in 'www.site.com/index.php?id=1')"
+            logger.critical(warnMsg)
     choice = None
 
     while choice is None or choice not in ("", "1", "2", "3"):