diff --git a/src/DoubleTank.jl b/src/doubletank.jl
similarity index 99%
rename from src/DoubleTank.jl
rename to src/doubletank.jl
index c664c6cdcbe0561b9089decb5627d81641c95edb..7e19db563f3270ea324a59d5f3bf884fea8dad32 100644
--- a/src/DoubleTank.jl
+++ b/src/doubletank.jl
@@ -1,4 +1,4 @@
-export DoubleTankSimulator, DoubleTank,
+#export DoubleTankSimulator, DoubleTank
 
 using LabConnections.Computer #for LabStream