diff --git a/alpine/packages/diagnostics/Makefile b/alpine/packages/diagnostics/Makefile
index 6be88f03e..b296d5485 100644
--- a/alpine/packages/diagnostics/Makefile
+++ b/alpine/packages/diagnostics/Makefile
@@ -3,7 +3,7 @@ all: usr/bin/diagnostics-server
 DEPS=Dockerfile $(wildcard *.go)
 
 usr/bin/diagnostics-server: $(DEPS) ../vendor/manifest
-	tar cf - $(DEPS) -C .. $(shell cd .. && find vendor) | docker build -t diagnostics-server:build -
+	tar cf - $(DEPS) -C .. vendor | docker build -t diagnostics-server:build -
 	docker run --rm --net=none diagnostics-server:build | tar xf - -C usr/bin
 
 clean:
diff --git a/alpine/packages/proxy/Makefile b/alpine/packages/proxy/Makefile
index d4a54051d..a0d58c19d 100644
--- a/alpine/packages/proxy/Makefile
+++ b/alpine/packages/proxy/Makefile
@@ -3,7 +3,7 @@ all: usr/bin/slirp-proxy sbin/proxy-vsockd
 DEPS=Dockerfile $(wildcard *.go libproxy/*.go)
 
 proxy: $(DEPS) ../vendor/manifest
-	tar cf - $(DEPS) -C .. $(shell cd .. && find vendor) | docker build -t proxy:build -
+	tar cf - $(DEPS) -C .. vendor | docker build -t proxy:build -
 	docker run --rm --net=none proxy:build | tar xf -
 
 usr/bin/slirp-proxy: proxy
diff --git a/alpine/packages/vsudd/Makefile b/alpine/packages/vsudd/Makefile
index 93c3dec0a..6189b7fb5 100644
--- a/alpine/packages/vsudd/Makefile
+++ b/alpine/packages/vsudd/Makefile
@@ -4,7 +4,7 @@ DEPS=Dockerfile $(wildcard *.go)
 
 vsudd: $(DEPS) ../vendor/manifest
 	mkdir -p sbin
-	tar cf - $(DEPS) -C .. $(shell cd .. && find vendor) | docker build -t vsudd:build -
+	tar cf - $(DEPS) -C .. vendor | docker build -t vsudd:build -
 	docker run --rm --net=none vsudd:build | tar xf - -C sbin
 
 clean: