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-rw-r--r--host/lib/usrp/usrp1/codec_ctrl.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/host/lib/usrp/usrp1/codec_ctrl.cpp b/host/lib/usrp/usrp1/codec_ctrl.cpp
index 2e922a3e2..8ba7b54ca 100644
--- a/host/lib/usrp/usrp1/codec_ctrl.cpp
+++ b/host/lib/usrp/usrp1/codec_ctrl.cpp
@@ -357,7 +357,7 @@ double usrp1_codec_ctrl_impl::fine_tune(double codec_rate, double target_freq)
static const double scale_factor = std::pow(2.0, 24);
boost::uint32_t freq_word = boost::uint32_t(
- boost::math::round(abs((target_freq / codec_rate) * scale_factor)));
+ boost::math::round(std::abs((target_freq / codec_rate) * scale_factor)));
double actual_freq = freq_word * codec_rate / scale_factor;