diff --git a/crates/dojo/core/src/meta/introspect.cairo b/crates/dojo/core/src/meta/introspect.cairo
index 448ae94f21..5c88b3a9ca 100644
--- a/crates/dojo/core/src/meta/introspect.cairo
+++ b/crates/dojo/core/src/meta/introspect.cairo
@@ -11,6 +11,7 @@ pub enum Ty {
     // And `Box` is not serializable. So using a Span, even if it's to have
     // one element, does the trick.
     Array: Span<Ty>,
+    FixedArray: Span<(Ty, u32)>,
     ByteArray,
 }