diff --git a/src/flag-definitions.h b/src/flag-definitions.h
index aa311411c9..a2e5308500 100644
--- a/src/flag-definitions.h
+++ b/src/flag-definitions.h
@@ -257,7 +257,7 @@ DEFINE_BOOL(track_field_types, true, "track field types")
 DEFINE_IMPLICATION(track_field_types, track_fields)
 DEFINE_IMPLICATION(track_field_types, track_heap_object_fields)
 DEFINE_BOOL(smi_binop, true, "support smi representation in binary operations")
-DEFINE_BOOL(vector_ics, false, "support vector-based ics")
+DEFINE_BOOL(vector_ics, true, "support vector-based ics")
 
 // Flags for optimization types.
 DEFINE_BOOL(optimize_for_size, false,