diff --git a/src/Makefile b/src/Makefile
index 66d4357..5e87abc 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -2,12 +2,13 @@ INCLUDE_DIRS = ../inc
 CFLAGS += -O2
 
 blst:
-	../blst/build.sh
-	cp ../blst/libblst.a ../lib
-	cp ../blst/bindings/*.h ../inc
+	cd ../blst; \
+	./build.sh && \
+	cp libblst.a ../lib && \
+	cp bindings/*.h ../inc
 
 c_kzg_4844.o: c_kzg_4844.c sha256.c Makefile
 	clang -Wall -I$(INCLUDE_DIRS) $(CFLAGS) -c c_kzg_4844.c sha256.c
 
 lib: c_kzg_4844.o Makefile
-	mv *.o ../bindings/node.js
+	cp *.o ../bindings/node.js