diff --git a/server/basedir-includes/configure-from-env b/server/basedir-includes/configure-from-env
index 3ab0ebbb7..a15dfe79b 100755
--- a/server/basedir-includes/configure-from-env
+++ b/server/basedir-includes/configure-from-env
@@ -140,7 +140,9 @@ if ! [ -z "${VMOPTIONS+x}" ]; then
 
     for vmoption in "${vmoptions[@]}"
     do
-        echo "${vmoption}" >> "$APP_DIR/oieserver.vmoptions"
+        if ! grep -Fqsx -- "${vmoption}" "$APP_DIR/oieserver.vmoptions"; then
+            echo "${vmoption}" >> "$APP_DIR/oieserver.vmoptions"
+        fi
     done
 fi