diff --git a/models/sir.jl b/models/SIR.jl
similarity index 100%
rename from models/sir.jl
rename to models/SIR.jl
diff --git a/tests/simulation/sim_sir.jl b/tests/simulation/sim_sir.jl
index cfad9a6b579514ff7c358870b8ea3c5675f36991..dca855fa53c4dc48d0fb2ab7cef2871407bd9e49 100644
--- a/tests/simulation/sim_sir.jl
+++ b/tests/simulation/sim_sir.jl
@@ -2,7 +2,7 @@
 using MarkovProcesses 
 using PyPlot
 
-load_model("sir")
+load_model("SIR")
 
 σ = simulate(SIR)
 plt.figure()
diff --git a/tests/unit/simulate_sir.jl b/tests/unit/simulate_sir.jl
index a5b0c7560e5b9d1c4d84db949b3ae282c159dfe8..6a1a38a5093cf90c05a707342b5dc0c933a8eb1c 100644
--- a/tests/unit/simulate_sir.jl
+++ b/tests/unit/simulate_sir.jl
@@ -1,7 +1,7 @@
 
 using MarkovProcesses
 
-load_model("sir")
+load_model("SIR")
 
 σ = simulate(SIR)