You're right only half that capital gain is taxable, and when you look at the Detailed Tax Summary, you should only see 50% of your entry on Line 127.
You might want to give our Support Team a call and they can actually have a look at your return to see why this is happening. Please follow the instructions below to reach an agent who can assist you with this.
https://turbotax.community.intuit.ca/replies/3152013
