diff --git a/fpga/rvvidaemon/Makefile b/fpga/rvvidaemon/Makefile
index 26f705a20..e7a40df63 100644
--- a/fpga/rvvidaemon/Makefile
+++ b/fpga/rvvidaemon/Makefile
@@ -1,10 +1,10 @@
 all: rvvidaemon
 
 rvvidaemon: rvvidaemon.o
-	gcc $^ /opt/riscv/ImperasDV-OpenHW/lib/Linux64/ImperasLib/imperas.com/verification/riscv/1.0/model.so  -o rvvidaemon
+	gcc $^ $(RISCV)/ImperasDV-OpenHW/lib/Linux64/ImperasLib/imperas.com/verification/riscv/1.0/model.so  -o rvvidaemon
 
 %.o:%.c
-	gcc -I/opt/riscv/ImperasDV-OpenHW/ImpProprietary/include/host -I/opt/riscv/ImperasDV-OpenHW/ImpPublic/include/host/rvvi/ -c $^ -o $@
+	gcc -I$(RISCV)/ImperasDV-OpenHW/ImpProprietary/include/host -I$(RISCV)/ImperasDV-OpenHW/ImpPublic/include/host/rvvi/ -c $^ -o $@
 
 clean:
 	rm *.o rvvidaemon