diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index cc0d59a9..aea729e2 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -518,7 +518,7 @@ jobs:
              $gam calendar $gam_user add editor $newuser
              $gam calendar $gam_user showacl
              $gam calendar $gam_user printacl | $gam csv - gam calendar $gam_user delete id ~id
-             $gam calendar $gam_user addevent summary "GHA test event" start $(date '+%FT%T.%N%:z' -d "now + 1 hour") end $(date '+%FT%T.%N%:z' -d "now + 2 hours") attendee $newgroup hangoutsmeet guestscanmodify true sendupdates all
+             $gam calendar $gam_user addevent summary "GHA test event" start $($date '+%FT%T.%N%:z' -d "now + 1 hour") end $($date '+%FT%T.%N%:z' -d "now + 2 hours") attendee $newgroup hangoutsmeet guestscanmodify true sendupdates all
              $gam calendar $gam_user printevents after -0d
              matterid=uid:$($gam create vaultmatter name "GHA matter $newbase" description "test matter" collaborators $newuser | head -1 | cut -d ' ' -f 3)
              $gam create vaulthold matter $matterid name "GHA hold $newbase" corpus mail accounts $newuser