diff --git a/tools/setup_buildenv_ubuntu20.04.sh b/tools/setup_buildenv_ubuntu20.04.sh
index 2a0aaaf47..ed97c0594 100644
--- a/tools/setup_buildenv_ubuntu20.04.sh
+++ b/tools/setup_buildenv_ubuntu20.04.sh
@@ -82,7 +82,6 @@ fi
 
 echo "=== Step 9: Adding GNU Arm Embedded Toolchain to PATH of current user ==="
 echo 'export PATH="/opt/gcc-arm-none-eabi/bin:$PATH"' >> ~/.bashrc
-source ~/.bashrc
 if [[ $PAUSEAFTEREACHLINE == "true" ]]; then
   echo "Step finished. Please press Enter to continue or Ctrl+C to stop."
   read
@@ -127,4 +126,4 @@ if [[ $PAUSEAFTEREACHLINE == "true" ]]; then
   echo "Step finished."
 fi
 
-echo "Finished setting up EdgeTX v2.4 development environment. Please reboot the computer."
+echo "Finished setting up EdgeTX v2.4 development environment. Please reboot the computer."
\ No newline at end of file