diff --git a/spack-environment/Makefile b/spack-environment/Makefile
index 7312a3318672e800e1061f7e425e9f43e9713f35..42f6fb6952ab835b887ff1ac3277679df8e14927 100644
--- a/spack-environment/Makefile
+++ b/spack-environment/Makefile
@@ -22,7 +22,7 @@ $(SPACK_ENV)/push: $(addprefix $(SPACK_ENV)/push/,$($(SPACK_ENV)/SPACK_PACKAGE_I
 
 $(SPACK_ENV)/push/%: $(SPACK_ENV)/install/%
 	@mkdir -p $(dir $@)
-	$(foreach buildcache, $(BUILDCACHE_MIRROR), $(SPACK) buildcache create --allow-root --only=package --unsigned $(buildcache) /$(HASH) ;) # push $(SPEC)
+	$(foreach buildcache, $(BUILDCACHE_MIRROR), $(SPACK) buildcache push --only=package --unsigned $(buildcache) /$(HASH) ;) # push $(SPEC)
 	@touch $@
 
 $(SPACK_ENV)/spack.lock: $(SPACK_ENV)/spack.yaml Makefile