diff --git a/tests/functional/common/vars-and-functions.sh.in b/tests/functional/common/vars-and-functions.sh.in
index 0bde0180f..b054bf834 100644
--- a/tests/functional/common/vars-and-functions.sh.in
+++ b/tests/functional/common/vars-and-functions.sh.in
@@ -96,7 +96,7 @@ startDaemon() {
     fi
     # Start the daemon, wait for the socket to appear.
     rm -f $NIX_DAEMON_SOCKET_PATH
-    PATH=$DAEMON_PATH nix-daemon &
+    PATH=$DAEMON_PATH nix --extra-experimental-features 'nix-command' daemon &
     _NIX_TEST_DAEMON_PID=$!
     export _NIX_TEST_DAEMON_PID
     for ((i = 0; i < 300; i++)); do
@@ -149,7 +149,7 @@ fi
 isDaemonNewer () {
   [[ -n "${NIX_DAEMON_PACKAGE:-}" ]] || return 0
   local requiredVersion="$1"
-  local daemonVersion=$($NIX_DAEMON_PACKAGE/bin/nix-daemon --version | cut -d' ' -f3)
+  local daemonVersion=$($NIX_DAEMON_PACKAGE/bin/nix daemon --version | cut -d' ' -f3)
   [[ $(nix eval --expr "builtins.compareVersions ''$daemonVersion'' ''$requiredVersion''") -ge 0 ]]
 }
 
diff --git a/tests/functional/store-ping.sh b/tests/functional/store-ping.sh
index 9846c7d3d..d84247ad5 100644
--- a/tests/functional/store-ping.sh
+++ b/tests/functional/store-ping.sh
@@ -6,7 +6,7 @@ STORE_INFO_JSON=$(nix store ping --json)
 echo "$STORE_INFO" | grep "Store URL: ${NIX_REMOTE}"
 
 if [[ -v NIX_DAEMON_PACKAGE ]] && isDaemonNewer "2.7.0pre20220126"; then
-    DAEMON_VERSION=$($NIX_DAEMON_PACKAGE/bin/nix-daemon --version | cut -d' ' -f3)
+    DAEMON_VERSION=$($NIX_DAEMON_PACKAGE/bin/nix daemon --version | cut -d' ' -f3)
     echo "$STORE_INFO" | grep "Version: $DAEMON_VERSION"
     [[ "$(echo "$STORE_INFO_JSON" | jq -r ".version")" == "$DAEMON_VERSION" ]]
 fi