diff --git a/src/libsrc/Makefile b/src/libsrc/Makefile
index 595e960a6c874b25847245b1a4dc7210ceea7502..ee3f3d081f9b9bb1bf0dce740c97ad0fd3b443ff 100644
--- a/src/libsrc/Makefile
+++ b/src/libsrc/Makefile
@@ -20,8 +20,8 @@ all: bwio.a scheduler.a taskdescriptor.a
 scheduler.s: scheduler.c
 	$(XCC) -S $(CFLAGS) scheduler.c
 
-taskdescriptor.s: taskdescriptor.c
-	$(XCC) -S $(CFLAGS) taskdescriptor.c
+taskdescriptor.s: task-descriptor.c
+	$(XCC) -S $(CFLAGS) task-descriptor.c
 
 bwio.s: bwio.c
 	$(XCC) -S $(CFLAGS) bwio.c