diff --git a/synapse/Makefile b/synapse/Makefile
index 31d0148..489444c 100644
--- a/synapse/Makefile
+++ b/synapse/Makefile
@@ -6,13 +6,13 @@ IMAGE=synapse
 push: get decompress build
 
 get:
-	wget https://github.com/matrix-org/synapse/archive/refs/tags/$(VERSION).zip
+	wget https://github.com/matrix-org/synapse/archive/refs/tags/$(VERSION).tar.gz
 
 decompress:
-    unzip $(VERSION).zip
+    tar -xf $(VERSION).tar.gz
 
 build:
 	docker buildx build --platform linux/amd64,linux/arm64,linux/arm --push \
-    	  --cache-from=type=registry,ref=${NAMESPACE}/buildx:${IMAGE} \
+      --cache-from=type=registry,ref=${NAMESPACE}/buildx:${IMAGE} \
 	  --cache-to=type=registry,ref=${NAMESPACE}/buildx:${IMAGE} \
 	  --tag ${CI_REGISTRY_IMAGE}/${IMAGE}:$(VERSION) ${IMAGE}-$(VERSION)