diff --git a/src/Express.jl b/src/Express.jl
index c5a849af..646a6c91 100644
--- a/src/Express.jl
+++ b/src/Express.jl
@@ -4,7 +4,7 @@ module Express
 # include("BandStructure.jl")
 include("ConvergenceTest/ConvergenceTest.jl")
 include("MD/MD.jl")
-include("EOS/EOS.jl")
+include("EquationOfState/EquationOfState.jl")
 # include("StaticElasticity/StaticElasticity.jl")
 include("Phonon/Phonon.jl")
 # include("QHA/QHA.jl")