diff --git a/host/lib/include/uhdlib/usrp/dboard/thinbx/thinbx_dboard.hpp b/host/lib/include/uhdlib/usrp/dboard/thinbx/thinbx_dboard.hpp
index 1ee65f2f7..9a0f34b67 100644
--- a/host/lib/include/uhdlib/usrp/dboard/thinbx/thinbx_dboard.hpp
+++ b/host/lib/include/uhdlib/usrp/dboard/thinbx/thinbx_dboard.hpp
@@ -104,6 +104,8 @@ class thinbx_dboard_impl : public uhd::usrp::x400::x400_dboard_iface
         };
     }
 
+    bool select_adc_self_cal_gain(size_t chan) override;
+
     rf_control::gain_profile_iface::sptr get_tx_gain_profile_api() override
     {
         return _tx_gain_profile_api;
diff --git a/host/lib/usrp/dboard/thinbx/thinbx_dboard.cpp b/host/lib/usrp/dboard/thinbx/thinbx_dboard.cpp
index 56f86f48f..63895a50a 100644
--- a/host/lib/usrp/dboard/thinbx/thinbx_dboard.cpp
+++ b/host/lib/usrp/dboard/thinbx/thinbx_dboard.cpp
@@ -411,6 +411,14 @@ std::string thinbx_dboard_impl::get_dboard_fe_from_chan(
         std::string("[X400] Invalid channel: ") + std::to_string(chan));
 }
 
+/*********************************************************************
+ * ADC Self Cal API
+ **********************************************************************/
+bool thinbx_dboard_impl::select_adc_self_cal_gain(size_t chan)
+{
+    return true;
+}
+
 /*********************************************************************
  *   Private misc/calculative helper functions
  **********************************************************************/