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-rw-r--r--host/lib/usrp/common/max287x.hpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/host/lib/usrp/common/max287x.hpp b/host/lib/usrp/common/max287x.hpp
index fe5da195c..3d43802c8 100644
--- a/host/lib/usrp/common/max287x.hpp
+++ b/host/lib/usrp/common/max287x.hpp
@@ -434,6 +434,7 @@ double max287x<max287x_regs_t>::set_frequency(
bool feedback_divided = (_regs.feedback_select == max287x_regs_t::FEEDBACK_SELECT_DIVIDED);
//increase RF divider until acceptable VCO frequency (MIN freq for MAX287x VCO is 3GHz)
+ UHD_ASSERT_THROW(target_freq > 0);
double vco_freq = target_freq;
while (vco_freq < MIN_VCO_FREQ)
{