diff --git a/src/qualitative_networks.jl b/src/qualitative_networks.jl
index 78fefbe..39848e0 100644
--- a/src/qualitative_networks.jl
+++ b/src/qualitative_networks.jl
@@ -255,7 +255,7 @@ end
 """
 function limit_change(prev_value, next_value, N::Int)
     if next_value > prev_value
-        limited_value = min(prev_value + 1, N + 1)
+        limited_value = min(prev_value + 1, N)
     elseif next_value < prev_value
         limited_value = max(prev_value - 1, 0)
     else
diff --git a/test/Project.toml b/test/Project.toml
index 26c35ac..5f8ccc2 100644
--- a/test/Project.toml
+++ b/test/Project.toml
@@ -5,5 +5,6 @@ Graphs = "86223c79-3864-5bf0-83f7-82e725a168b6"
 HerbCore = "2b23ba43-8213-43cb-b5ea-38c12b45bd45"
 JET = "c3a54625-cd67-489e-a8e7-0a5a0ff4e31b"
 MetaGraphsNext = "fa8bd995-216d-47f1-8a91-f3b68fbeb377"
+Random = "9a3f8284-a2c9-5f02-9a11-845980a1fd5c"
 SoleLogics = "b002da8f-3cb3-4d91-bbe3-2953433912b5"
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
diff --git a/test/test-qn.jl b/test/test-qn.jl
index 0189333..5ff0d24 100644
--- a/test/test-qn.jl
+++ b/test/test-qn.jl
@@ -1,5 +1,6 @@
 using DynamicalSystemsBase: step!, get_state, set_state!
 using Graphs: ne, nv
+using Random: seed!
 
 @testset "QN Grammar Creation" begin
     entities = [:a, :b, :c]
@@ -64,7 +65,11 @@ end
 end
 
 @testset "Async QN" begin
-    async_qn = aqn(network, N)
-    step!(async_qn, 10)
-    @test all(get_state(async_qn.model) .<= N)
+    seed!(42)
+
+    for i = 1:100
+        async_qn = aqn(network, N + i)
+        step!(async_qn, 10)
+        @test all(get_state(async_qn.model) .<= N + i)
+    end
 end