According to royal expert Rebecca English, when Charles turned 75 last year, Harry rang up his dad, but the fact that the conversation and details of their call hit the news was a sore spot for the king. English explained that Charles was happy to call his son this year, but is still being careful with everything between himself and Harry.

Though the royal rift between Prince Harry, Prince William and their father King Charles continues to wage on, there are some hints that conditions are softening—åt least a little—between Harry and his father, and his recent visits to the U.K. are a major hint.

Prince Harry could reunite with King Charles for the first time in months, as the duke heads to London. The Duke of Sussex will fly to London to present an award and deliver a speech at the WellChild Awards,