diff --git a/Makefile b/Makefile
index 901abaf7..68a80fc1 100644
--- a/Makefile
+++ b/Makefile
@@ -25,7 +25,7 @@ endif
 
 # Add your source files here.
 SRCS += \
-  ./movement.c \
+  ./app.c \
 
 # Finally, leave this line at the bottom of the file.
 include $(GOSSAMER_PATH)/rules.mk
diff --git a/movement.c b/app.c
similarity index 100%
rename from movement.c
rename to app.c