diff --git a/Kbuild b/Kbuild
index 0fa71dc2f1b8..d37e7eaab18e 100644
--- a/Kbuild
+++ b/Kbuild
@@ -2348,6 +2348,10 @@ ifeq ($(CONFIG_QCA_IBSS_SUPPORT), y)
 cppflags-$(CONFIG_QCA_IBSS_SUPPORT) += -DQCA_IBSS_SUPPORT
 endif
 
+ifeq ($(CONFIG_DFS_FCC_TYPE4_DURATION_CHECK), y)
+cppflags-$(CONFIG_DFS_FCC_TYPE4_DURATION_CHECK) += -DDFS_FCC_TYPE4_DURATION_CHECK
+endif
+
 cppflags-$(CONFIG_WLAN_SYSFS) += -DWLAN_SYSFS
 cppflags-$(CONFIG_FEATURE_WLAN_RMC) += -DFEATURE_WLAN_RMC
 cppflags-$(CONFIG_FEATURE_BECN_STATS) += -DWLAN_FEATURE_BEACON_RECEPTION_STATS
diff --git a/configs/qca6174_defconfig b/configs/qca6174_defconfig
index 60f811d9cf9a..8c68e2bc29f0 100644
--- a/configs/qca6174_defconfig
+++ b/configs/qca6174_defconfig
@@ -27,6 +27,9 @@ ifndef CONFIG_ROME_IF
 endif
 endif
 
+# Enable FCC TYPE4 DURATION CHECK
+CONFIG_DFS_FCC_TYPE4_DURATION_CHECK := y
+
 # Make WLAN as open-source driver by default
 WLAN_OPEN_SOURCE := y