diff --git a/sjplayer/src/sjplayer/ScheduledControllerFactory.d b/sjplayer/src/sjplayer/ScheduledControllerFactory.d
index dc47395..27dfafd 100644
--- a/sjplayer/src/sjplayer/ScheduledControllerFactory.d
+++ b/sjplayer/src/sjplayer/ScheduledControllerFactory.d
@@ -14,7 +14,7 @@ import sjplayer.ElementInterface,
        sjplayer.ElementProgramSet,
        sjplayer.ScheduledControllerInterface,
        sjplayer.VarStoreInterface,
-       sjplayer.util.compare;
+       sjplayer.util.Period;
 
 ///
 struct ScheduledControllerCreationResult {
diff --git a/sjplayer/src/sjplayer/ScheduledControllerInterface.d b/sjplayer/src/sjplayer/ScheduledControllerInterface.d
index 636ee06..54c824e 100644
--- a/sjplayer/src/sjplayer/ScheduledControllerInterface.d
+++ b/sjplayer/src/sjplayer/ScheduledControllerInterface.d
@@ -10,7 +10,7 @@ import std.algorithm,
 import sjscript;
 
 import sjplayer.VarStoreInterface,
-       sjplayer.util.compare;
+       sjplayer.util.Period;
 
 ///
 interface ScheduledControllerInterface {
diff --git a/sjplayer/src/sjplayer/util/compare.d b/sjplayer/src/sjplayer/util/Period.d
similarity index 89%
rename from sjplayer/src/sjplayer/util/compare.d
rename to sjplayer/src/sjplayer/util/Period.d
index f1616d0..d0bfc9b 100644
--- a/sjplayer/src/sjplayer/util/compare.d
+++ b/sjplayer/src/sjplayer/util/Period.d
@@ -1,5 +1,5 @@
 /// License: MIT
-module sjplayer.util.compare;
+module sjplayer.util.Period;
 
 import sjscript;