diff --git a/userspace/ksud_overlayfs/src/module.rs b/userspace/ksud_overlayfs/src/module.rs
index a43faa3f..4a471e49 100644
--- a/userspace/ksud_overlayfs/src/module.rs
+++ b/userspace/ksud_overlayfs/src/module.rs
@@ -362,7 +362,7 @@ fn _install_module(zip: &str) -> Result<()> {
         humansize::format_size(zip_uncompressed_size, humansize::DECIMAL)
     );
 
-    let sparse_image_size = 1 << 34; // 16GB
+    let sparse_image_size = 6 << 30; // 6GB
     if !modules_img_exist && !modules_update_img_exist {
         // if no modules and modules_update, it is brand new installation, we should create a new img
         // create a tmp module img and mount it to modules_update