diff --git a/Makefile b/Makefile
index 7dded1a..0af083a 100755
--- a/Makefile
+++ b/Makefile
@@ -3,13 +3,13 @@
 .PHONY: evolinux packmail clean
 
 evolinux:
-	./scripts/make_template evolinux | PACKER_CACHE_DIR='build/packer' packer build -
+	./scripts/make_template evolinux | PACKER_CACHE_DIR='build/packer' packer build -parallel=false -
 
 packmail:
-	./scripts/make_template packmail | PACKER_CACHE_DIR='build/packer' packer build -
+	./scripts/make_template packmail | PACKER_CACHE_DIR='build/packer' packer build -parallel=false -
 
 packweb:
-	./scripts/make_template packweb | PACKER_CACHE_DIR='build/packer' packer build -
+	./scripts/make_template packweb | PACKER_CACHE_DIR='build/packer' packer build -parallel=false -
 
 clean:
 	rm -rf build/*