diff --git a/virtualizationmanager/src/aidl.rs b/virtualizationmanager/src/aidl.rs
index 671a012..7d406d9 100644
--- a/virtualizationmanager/src/aidl.rs
+++ b/virtualizationmanager/src/aidl.rs
@@ -596,7 +596,12 @@
             params: config.params.to_owned(),
             protected: *is_protected,
             debug_config,
-            memory_mib: config.memoryMib.try_into().ok().and_then(NonZeroU32::new),
+            memory_mib: config
+                .memoryMib
+                .try_into()
+                .ok()
+                .and_then(NonZeroU32::new)
+                .unwrap_or(NonZeroU32::new(256).unwrap()),
             cpus,
             host_cpu_topology,
             console_out_fd,