diff --git a/main.py b/main.py
index 59a8449..6621fba 100644
--- a/main.py
+++ b/main.py
@@ -123,16 +123,16 @@ def application(env, re):
    yield "device is required.".encode()
    return
 
-  on = args["on"] if "on" in args else None
-  frm = on if on else args["from"] if "from" in args else None
-  to = on if on else args["to"] if "to" in args else None
+  on = args["on"][0] if "on" in args else None
+  frm = on if on else args["from"][0] if "from" in args else None
+  to = on if on else args["to"][0] if "to" in args else None
 
   frm = frm or datetime.datetime.now().strftime('%Y-%m-%d')
   to = to or datetime.datetime.now().strftime('%Y-%m-%d')
 
   for time in frm, to:
    try:
-    datetime.strptime(time, "%Y-%m-%d")
+    datetime.datetime.strptime(time, "%Y-%m-%d")
    except:
     re("400 Bad Request", [])
     yield "<h1>400 Bad Request</h1>".encode()
@@ -177,7 +177,7 @@ def application(env, re):
 """
 
   for row in cur.fetchall():
-   output += "    [ %s, %s ],\n" % (lat, lon)
+   output += "    [ %s, %s ],\n" % (row["lat"], row["lon"])
 
   output = "".join(output.rsplit(",", 1))