enyaengine

I've been running my Tamiya XBG on MT Qwikfire 16 (18%/20% oil), which it seems to be reasonably happy with. However, I was running out of fuel to popped into town today to buy some more. I asked for Duraglow 16 which is the reccomended fuel for the engine, but when I got home I discovered that I had been given Dynaglow instead. Duraglow has 15% oil, Dynaglow 10%. Do you guys reckon it would be alright to run my car on the Dynaglow or shall I trek back to the shop and try for a refund?
Many thanks,

Rob