diff --git a/nrf_wifi/CMakeLists.txt b/nrf_wifi/CMakeLists.txt
index 244fdff874..56abf23800 100644
--- a/nrf_wifi/CMakeLists.txt
+++ b/nrf_wifi/CMakeLists.txt
@@ -157,7 +157,7 @@ target_compile_definitions(
   -DCONFIG_NRF700X_BAND_UNII_4_LOWER_EDGE_BACKOFF_HE=0
   -DCONFIG_NRF700X_BAND_UNII_4_UPPER_EDGE_BACKOFF_HT=0
   -DCONFIG_NRF700X_BAND_UNII_4_UPPER_EDGE_BACKOFF_HE=0
-  -DCONFIG_NRF700X_REG_DOMAIN="00"
+  -DCONFIG_NRF700X_REG_DOMAIN=${CONFIG_NRF70_REG_DOMAIN}
   -DCONFIG_NRF700X_TX_MAX_DATA_SIZE=1600
   -DCONFIG_NRF_WIFI_IFACE_MTU=1500
   -DCONFIG_NRF700X_MAX_TX_PENDING_QLEN=48