diff --git a/templates/etc/sysconfig/tidy.j2 b/templates/etc/sysconfig/tidy.j2
index 615b279..63d0032 100644
--- a/templates/etc/sysconfig/tidy.j2
+++ b/templates/etc/sysconfig/tidy.j2
@@ -4,8 +4,8 @@ TIDY_DRY_RUN={{ dockertidy_dry_run }}
 TIDY_HTTP_TIMEOUT=60
 TIDY_LOG_LEVEL={{ dockertidy_log_level }}
 TIDY_LOG_JSON=False
-TIDY_GC_MAX_CONTAINER_AGE={{ dockertidy_max_container_age }}
-TIDY_GC_MAX_IMAGE_AGE={{ dockertidy_max_image_age }}
+TIDY_GC_MAX_CONTAINER_AGE="{{ dockertidy_max_container_age }}"
+TIDY_GC_MAX_IMAGE_AGE="{{ dockertidy_max_image_age }}"
 TIDY_GC_DANGLING_VOLUMES={{ dockertidy_dangling_volumes }}
 TIDY_GC_EXCLUDE_IMAGES={{ dockertidy_exclude_images | join(",") }}
 TIDY_GC_EXCLUDE_CONTAINER_LABELS={{ dockertidy_exclude_container_labels | join(",") }}