diff --git a/image-base.yaml b/image-base.yaml
index cc038b04b..665eca34e 100644
--- a/image-base.yaml
+++ b/image-base.yaml
@@ -24,3 +24,9 @@ vmware-os-type: fedora64Guest
 vmware-hw-version: 17
 
 compressor: xz
+
+platform-compressor:
+    # On Windows, it's the only compression tool we can rely on.
+    hyperv: zip
+    # On macOS, it's the only compression tool we can rely on.
+    applehv: gzip