diff --git a/build/workspaces/update-workspaces.sh b/build/workspaces/update-workspaces.sh
index 8e22d1f4e0..f9218ade78 100644
--- a/build/workspaces/update-workspaces.sh
+++ b/build/workspaces/update-workspaces.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 
-if [ "$(id -u)" == "0" ]; then
+if [ "$(id -u)" = "0" ]; then
    echo "Running as root will mess up file permissions. Aborting ..." 1>&2
    exit 1
 fi