diff --git a/system/ulib/fit/sequencer.cpp b/system/ulib/fit/sequencer.cpp index 35c60d38601036cd25ef9d18047d16b3c2206a24..687db6737be3e7aa10f1297ed6e7dbe87d775def 100644 --- a/system/ulib/fit/sequencer.cpp +++ b/system/ulib/fit/sequencer.cpp @@ -20,7 +20,7 @@ sequencer::sequencer() { sequencer::~sequencer() = default; fit::consumer<> sequencer::swap_prior(fit::consumer<> new_prior) { - std::lock_guard lock(mutex_); + std::lock_guard<std::mutex> lock(mutex_); fit::consumer<> old_prior = std::move(prior_); prior_ = std::move(new_prior); return old_prior;