diff --git a/Dockerfile b/Dockerfile
index f12f3a1..ad4909f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -7,7 +7,7 @@ ENV GENERICCACHE_VERSION=2 \
     CACHE_MODE=monolithic \
     WEBUSER=www-data \
     CACHE_INDEX_SIZE=500m \
-    CACHE_DISK_SIZE=1000000m \
+    CACHE_DISK_SIZE=1000g \
     CACHE_MAX_AGE=3560d \
     CACHE_SLICE_SIZE=1m \
     UPSTREAM_DNS="8.8.8.8 8.8.4.4" \