diff --git a/Makefile b/Makefile
index 31c3368..13f9d47 100644
--- a/Makefile
+++ b/Makefile
@@ -11,6 +11,7 @@ IMGFLOAT_TOKEN_ENCRYPTION_KEY ?= x5A8tS8Lk4q2qY0xRkz8r9bq2bx0R4A9a0m0k5Y8mCk=
 IMGFLOAT_ASSETS_PATH ?= ./assets
 IMGFLOAT_PREVIEWS_PATH ?= ./previews
 IMGFLOAT_COMMIT_URL_PREFIX ?= https://github.com/imgfloat/server/commit/
+IMGFLOAT_IS_STAGING ?= 0
 SPRING_SERVLET_MULTIPART_MAX_REQUEST_SIZE ?= 10MB
 SPRING_SERVLET_MULTIPART_MAX_FILE_SIZE ?= 10MB
 WATCHDIR = ./src/main
@@ -18,6 +19,7 @@ RUNTIME_ENV = IMGFLOAT_ASSETS_PATH=$(IMGFLOAT_ASSETS_PATH) \
 			  IMGFLOAT_PREVIEWS_PATH=$(IMGFLOAT_PREVIEWS_PATH) \
 			  IMGFLOAT_GITHUB_CLIENT_OWNER=$(IMGFLOAT_GITHUB_CLIENT_OWNER) \
 			  IMGFLOAT_GITHUB_CLIENT_REPO=$(IMGFLOAT_GITHUB_CLIENT_REPO) \
+			  IMGFLOAT_IS_STAGING=$(IMGFLOAT_IS_STAGING) \
 			  IMGFLOAT_GITHUB_CLIENT_VERSION=$(IMGFLOAT_GITHUB_CLIENT_VERSION) \
 			  IMGFLOAT_COMMIT_URL_PREFIX=$(IMGFLOAT_COMMIT_URL_PREFIX) \
 			  IMGFLOAT_DB_PATH=$(IMGFLOAT_DB_PATH) \