diff --git a/makefile_linux b/makefile_linux
index 5c1b1fb..100ea6a 100644
--- a/makefile_linux
+++ b/makefile_linux
@@ -8,8 +8,8 @@
 # Mark Koennecke, February 2014
 #==========================================================================
 
-include $(SICSROOT)/sics/linux_def
-#include $(SICSROOT)/sics/sllinux_def
+#include $(SICSROOT)/sics/linux_def
+include $(SICSROOT)/sics/sllinux_def
 
 
 CC       = gcc