diff --git a/src/fruity/fruity-host-session.vala b/src/fruity/fruity-host-session.vala
index ea454d579..881379f30 100644
--- a/src/fruity/fruity-host-session.vala
+++ b/src/fruity/fruity-host-session.vala
@@ -2474,7 +2474,9 @@ namespace Frida {
 					}
 
 					if (val.is_of_type (new VariantType ("av"))) {
+						builder.begin_array ();
 						add_vararray_values (val, builder);
+						builder.end_array ();
 						return;
 					}