diff --git a/src/FiniteStateAutomata.jl b/src/FiniteStateAutomata.jl
index 46ac22577df8333a0635545e4bdeb463728c2fb4..556410c7b1e45418b97e47a7e1d86083db2703b7 100644
--- a/src/FiniteStateAutomata.jl
+++ b/src/FiniteStateAutomata.jl
@@ -49,7 +49,7 @@ include("iterate.jl")
 include("fst.jl")
 include("dense_fsa.jl")
 
-include("filter.jl")
+include("statemap.jl")
 include("reverse.jl")
 include("sum.jl")
 include("ops.jl")
diff --git a/src/filter.jl b/src/statemap.jl
similarity index 100%
rename from src/filter.jl
rename to src/statemap.jl