diff --git a/Flocking/Agents/Flocking.jl b/Flocking/Agents/Flocking.jl
index 5a66d1a4..95035d06 100755
--- a/Flocking/Agents/Flocking.jl
+++ b/Flocking/Agents/Flocking.jl
@@ -13,7 +13,7 @@ function flocking_model(rng, extent, n_birds, visual_distance;
         speed = 1.0, cohere_factor = 0.03, separation = 1.0, separate_factor = 0.015,
         match_factor = 0.05, spacing = visual_distance / 1.5,)
     space2d = ContinuousSpace(extent; spacing)
-    model = StandardABM(Bird, space2d; agent_step!, rng, container = Vector,
+    model = StandardABM(Bird, space2d; agent_step!, rng, container = StructVector,
         scheduler = Schedulers.Randomly())
     for n in 1:n_birds
         vel = SVector{2}(rand(abmrng(model)) * 2 - 1 for _ in 1:2)
diff --git a/Schelling/Agents/Schelling.jl b/Schelling/Agents/Schelling.jl
index ea0f2aed..56f94f2a 100755
--- a/Schelling/Agents/Schelling.jl
+++ b/Schelling/Agents/Schelling.jl
@@ -9,7 +9,7 @@ function schelling_model(rng, numagents, griddims, min_to_be_happy, radius)
     space = GridSpaceSingle(griddims, periodic = false)
     properties = (min_to_be_happy = min_to_be_happy, radius = radius)
     model = StandardABM(SchellingAgent, space; agent_step!, properties, rng,
-        container = Vector, scheduler = Schedulers.Randomly())
+        container = StructVector, scheduler = Schedulers.Randomly())
     for n in 1:numagents
         add_agent_single!(model, false, n < numagents / 2 ? 1 : 2)
     end