diff --git a/filesystem/filesystem.go b/filesystem/filesystem.go
index dadacae..019cc25 100644
--- a/filesystem/filesystem.go
+++ b/filesystem/filesystem.go
@@ -594,6 +594,13 @@
 		addStr("hash_seed", uuid)
 	}
 
+	// TODO(b/381120092): This should only be added if none of the size-related properties are set,
+	// but currently soong built partitions don't have size properties. Make code:
+	// https://cs.android.com/android/platform/superproject/main/+/main:build/make/core/Makefile;l=2262;drc=39cd33701c9278db0e7e481a090605f428d5b12d
+	// Make uses system_disable_sparse but disable_sparse has the same effect, and we shouldn't need
+	// to qualify it because each partition gets its own property file built.
+	addStr("disable_sparse", "true")
+
 	fst := f.fsType(ctx)
 	switch fst {
 	case erofsType: