diff --git a/Makefile b/Makefile
index 8a612fe..ca0295a 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 .SECONDARY:
 
-SYNTH_TOOLCHAIN ?= symbiflow
+SYNTH_TOOLCHAIN ?= nextpnr
 
 WORKDIR            = work
 GHDL_WORKDIR       = $(WORKDIR)/ghdl