diff --git a/cmake_targets/tools/build_helper b/cmake_targets/tools/build_helper
index 496096e972..d29dbffe13 100755
--- a/cmake_targets/tools/build_helper
+++ b/cmake_targets/tools/build_helper
@@ -180,7 +180,7 @@ check_install_bladerf_driver(){
 	$SUDO apt-get install -y bladerf libbladerf-dev
 	$SUDO apt-get install -y bladerf-firmware-fx3
 	$SUDO apt-get install -y bladerf-fpga-hostedx40	
-	bladeRF-cli --flash-firmware /usr/share/Nuand/bladeRF/bladeRF_fw.img	
+	$SUDO bladeRF-cli --flash-firmware /usr/share/Nuand/bladeRF/bladeRF_fw.img	
 }
 
 check_install_additional_tools (){