diff --git a/Makefile b/Makefile
index e9aa9b4..49c60a2 100644
--- a/Makefile
+++ b/Makefile
@@ -45,7 +45,7 @@ $(INITFSZ_X64): $(INITFS_X64)
 
 $(INITFS_X64):
 	mkdir -p build
-	GBB_PATH=u-root go run ./u-root -o $(WORKDIR)/$(INITFS_X64) -uinitcmd="elvish -c 'sleep 3; boot'" core ./cmds/boot/boot
+	GBB_PATH=u-root u-root -o $(WORKDIR)/$(INITFS_X64) -uinitcmd="elvish -c 'sleep 3; boot'" core ./cmds/boot/boot
 
 
 # Use 'make arm64' to build ARM64 (cross-compiling is supported).
@@ -72,7 +72,7 @@ $(INITFSZ_A64): $(INITFS_A64)
 
 $(INITFS_A64):
 	mkdir -p build images
-	GBB_PATH=u-root GOOS=linux GOARCH=arm64 go run ./u-root -o $(WORKDIR)/$(INITFS_A64) -uinitcmd="elvish -c 'sleep 3; boot'" core ./cmds/boot/boot
+	GBB_PATH=u-root GOOS=linux GOARCH=arm64 u-root -o $(WORKDIR)/$(INITFS_A64) -uinitcmd="elvish -c 'sleep 3; boot'" core ./cmds/boot/boot
 	
 clean:
 	rm -rf $(WORKDIR)