diff --git a/src/cas/build/singleThread/Makefile b/src/cas/build/singleThread/Makefile
index 609a17bcf..99d17d0a0 100644
--- a/src/cas/build/singleThread/Makefile
+++ b/src/cas/build/singleThread/Makefile
@@ -1,5 +1,5 @@
-CAS := ../..
-TOP := $(CAS)/../..
+TOP := ../../../..
+CAS := $(TOP)/src/cas
 SRC := $(CAS)/generic
 CA := $(CAS)/../ca
 IOSRC := $(CAS)/io/bsdSocket