diff --git a/dv/uvm/icache/dv/Makefile b/dv/uvm/icache/dv/Makefile
index 6df50c6c..2290297a 100644
--- a/dv/uvm/icache/dv/Makefile
+++ b/dv/uvm/icache/dv/Makefile
@@ -18,6 +18,7 @@ VERBOSITY=
 SEED=1
 
 ibex-top       := ../../../..
+scratch-root   := $(ibex-top)/build
 dvsim-py       := $(ibex-top)/vendor/lowrisc_ip/dvsim/dvsim.py
 dvsim-std-args := --skip-ral --scratch-root $(scratch-root)