diff --git a/lib/src/common/phy_cfg_nr_default.cc b/lib/src/common/phy_cfg_nr_default.cc
index 3155b69a2..c3847f836 100644
--- a/lib/src/common/phy_cfg_nr_default.cc
+++ b/lib/src/common/phy_cfg_nr_default.cc
@@ -419,9 +419,11 @@ phy_cfg_nr_default_t::phy_cfg_nr_default_t(const reference_cfg_t& reference_cfg)
 
   if (duplex.mode == SRSRAN_DUPLEX_MODE_TDD) {
     carrier.dl_center_frequency_hz = 3513.6e6;
+    carrier.ul_center_frequency_hz = 3513.6e6;
     ssb.scs                        = srsran_subcarrier_spacing_30kHz;
   } else {
     carrier.dl_center_frequency_hz = 881.5e6;
+    carrier.ul_center_frequency_hz = 836.6e6;
     ssb.scs                        = srsran_subcarrier_spacing_15kHz;
   }
   carrier.ssb_center_freq_hz = carrier.dl_center_frequency_hz;
diff --git a/lib/src/phy/gnb/gnb_ul.c b/lib/src/phy/gnb/gnb_ul.c
index 1c5a0bf98..94259e69b 100644
--- a/lib/src/phy/gnb/gnb_ul.c
+++ b/lib/src/phy/gnb/gnb_ul.c
@@ -135,7 +135,7 @@ int srsran_gnb_ul_set_carrier(srsran_gnb_ul_t* q, const srsran_carrier_nr_t* car
   ofdm_cfg.rx_window_offset      = GNB_UL_NR_FFT_WINDOW_OFFSET;
   ofdm_cfg.symbol_sz             = srsran_min_symbol_sz_rb(carrier->nof_prb);
   ofdm_cfg.keep_dc               = true;
-  ofdm_cfg.phase_compensation_hz = carrier->dl_center_frequency_hz;
+  ofdm_cfg.phase_compensation_hz = carrier->ul_center_frequency_hz;
 
   if (srsran_ofdm_rx_init_cfg(&q->fft, &ofdm_cfg) < SRSRAN_SUCCESS) {
     return SRSRAN_ERROR;
diff --git a/lib/src/phy/ue/ue_ul_nr.c b/lib/src/phy/ue/ue_ul_nr.c
index fdf295cb3..a93a2e5a2 100644
--- a/lib/src/phy/ue/ue_ul_nr.c
+++ b/lib/src/phy/ue/ue_ul_nr.c
@@ -72,7 +72,7 @@ int srsran_ue_ul_nr_set_carrier(srsran_ue_ul_nr_t* q, const srsran_carrier_nr_t*
   fft_cfg.nof_prb               = carrier->nof_prb;
   fft_cfg.symbol_sz             = srsran_min_symbol_sz_rb(carrier->nof_prb);
   fft_cfg.keep_dc               = true;
-  fft_cfg.phase_compensation_hz = carrier->dl_center_frequency_hz;
+  fft_cfg.phase_compensation_hz = carrier->ul_center_frequency_hz;
   if (srsran_ofdm_tx_init_cfg(&q->ifft, &fft_cfg) < SRSRAN_SUCCESS) {
     ERROR("Initiating OFDM");
     return SRSRAN_ERROR;