diff --git a/scripts/build_kvm_image.sh b/scripts/build_kvm_image.sh
index 6e5fd7dec7..44009ed013 100755
--- a/scripts/build_kvm_image.sh
+++ b/scripts/build_kvm_image.sh
@@ -36,7 +36,7 @@ create_disk()
 
 prepare_installer_disk()
 {
-    fallocate -l 2048M $INSTALLER_DISK
+    fallocate -l 4096M $INSTALLER_DISK
 
     mkfs.vfat $INSTALLER_DISK