diff --git a/lito/WCNSS_qcom_cfg.ini b/lito/WCNSS_qcom_cfg.ini
index a8c269cf1c5ccd238c21f0939f19782393c2933a..38b9bed774437c4e5c455c15846f28ae1a631bb2 100644
--- a/lito/WCNSS_qcom_cfg.ini
+++ b/lito/WCNSS_qcom_cfg.ini
@@ -475,6 +475,9 @@ enable_rtt_mac_randomization=1
 
 #Enable/Disable SNR monitoring
 gEnableSNRMonitoring=1
+
+# Rx thread affinity mask in UL case
+RX_THREAD_UL_CPU_AFFINITY_MASK=0xc0
 END
 
 # Note: Configuration parser would not read anything past the END marker