diff --git a/ci-scripts/xml_files/gnb_usrp_build.xml b/ci-scripts/xml_files/gnb_usrp_build.xml
index 97f85c6a33..81c7d4e24e 100644
--- a/ci-scripts/xml_files/gnb_usrp_build.xml
+++ b/ci-scripts/xml_files/gnb_usrp_build.xml
@@ -34,7 +34,7 @@
 		<mode>TesteNB</mode>	
 		<class>Build_eNB</class>
 		<desc>Build gNB (USRP)</desc>
-		<Build_eNB_args>--gNB -w USRP --ninja --cmake-opt -DBoost_INCLUDE_DIR=/usr/include/boost169</Build_eNB_args>
+		<Build_eNB_args>--gNB -w USRP --ninja --cmake-opt -DBoost_INCLUDE_DIR=/usr/include/boost169 --noavx512</Build_eNB_args>
 		<forced_workspace_cleanup>True</forced_workspace_cleanup>
 	</testCase>
 
diff --git a/ci-scripts/xml_files/ldpc_gpu_test.xml b/ci-scripts/xml_files/ldpc_gpu_test.xml
index a0191fbd76..c17bc082d5 100644
--- a/ci-scripts/xml_files/ldpc_gpu_test.xml
+++ b/ci-scripts/xml_files/ldpc_gpu_test.xml
@@ -32,7 +32,7 @@
 	<testCase id="000001">
 		<class>Build_PhySim</class>
 		<desc>Build for physical simulator</desc>
-		<physim_build_args>--phy_simulators --ninja</physim_build_args>
+		<physim_build_args>--phy_simulators --ninja --noavx512</physim_build_args>
 		<forced_workspace_cleanup>FALSE</forced_workspace_cleanup>
 	</testCase>