diff --git a/common.mk b/common.mk
index 90dba306..64a816b2 100644
--- a/common.mk
+++ b/common.mk
@@ -38,7 +38,7 @@ $(FIRRTL_JAR): $(shell find $(rocketchip_dir)/firrtl/src/main/scala -iname "*.sc
 	$(MAKE) -C $(rocketchip_dir)/firrtl SBT="$(SBT)" root_dir=$(rocketchip_dir)/firrtl build-scala
 	touch $(FIRRTL_JAR)
 	mkdir -p $(rocketchip_dir)/lib
-	cp -p $(FIRRTL_JAR) rocket-chip/lib
+	cp -p $(FIRRTL_JAR) $(rocketchip_dir)/lib
 	mkdir -p $(rocketchip_dir)/chisel3/lib
 	cp -p $(FIRRTL_JAR) $(rocketchip_dir)/chisel3/lib