diff --git a/stepmania/src/Makefile.am b/stepmania/src/Makefile.am
index 410638b71c..bb29f97c51 100644
--- a/stepmania/src/Makefile.am
+++ b/stepmania/src/Makefile.am
@@ -98,7 +98,7 @@ FontCharmaps.cpp FontCharmaps.h Game.cpp Game.h GameCommand.cpp GameCommand.h \
 GameConstantsAndTypes.cpp GameConstantsAndTypes.h \
 GameInput.cpp GameInput.h Grade.cpp Grade.h \
 HighScore.cpp HighScore.h \
-InputEventPlus.cpp InputEventPlus.h \
+InputEventPlus.h \
 Inventory.cpp Inventory.h LuaFunctions.h \
 LuaReference.cpp LuaReference.h \
 LyricsLoader.cpp LyricsLoader.h MenuInput.h \