entitydata fail with NoAI.

I try this following commands:

/summon minecraft:wolf ~ ~1 ~ {Tags:["noai"]}

and after:

/execute @e[tag=noai] ~ ~ ~ /entitydata @e[tag=noai,r=0] ~ ~ ~ {NoAI:1b}

And it returns:

[01:02:58] Failed to execute '/entitydata @e[tag=noai,r=0] ~ ~ ~ {NoAI:1b}' as Wolf