diff --git a/Makefile b/Makefile
index 1b34301ee0da03978f0994db40d408036987e6db..311143037f6ba7ddfcedfd8d4bee96d4e398d8bf 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
 NAME = slu-calendar-gui
-MAIN = slu-calendar.py
+MAIN = SluCalendar.py
 
 DIRNAME = $(NAME:-gui=)
 MODNAME = $(MAIN:.py=)