diff --git a/scripts/build-setup.sh b/scripts/build-setup.sh
index 2dbf1f22..0ba8eb1c 100755
--- a/scripts/build-setup.sh
+++ b/scripts/build-setup.sh
@@ -181,6 +181,7 @@ if run_step "1"; then
 
     # use conda-lock to create env
     conda-lock install --conda $(which conda) -p $CYDIR/.conda-env $LOCKFILE &&
+    source $(conda info --base)/etc/profile.d/conda.sh &&
     conda activate $CYDIR/.conda-env
     exit_if_last_command_failed