diff --git a/sipi/Makefile b/sipi/Makefile
index aef4ee50b7..617761645c 100644
--- a/sipi/Makefile
+++ b/sipi/Makefile
@@ -6,8 +6,8 @@ print-env-file: env-file ## prints the env file used by sipi
 
 .PHONY: env-file
 env-file: ## write the env file used by sipi
-	@echo SIPI_VERSION=$(SIPI_VERSION) > .env
-	@echo DOCKERHOST=$(DOCKERHOST) > .env
+	@echo SIPI_VERSION=v$(SIPI_VERSION) > .env
+	@echo DOCKERHOST=$(DOCKERHOST) >> .env
 
 .PHONY: up
 up: env-file ## start sipi