diff --git a/Makefile b/Makefile
index 5edc098e..e04f2172 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,10 @@
 .PHONY: default release clean build build-app build-server run dist dist-zip sums test
 
-GRADLE ?= ./gradlew
+ifeq ($(OS),Windows_NT)
+  GRADLE ?= gradlew
+else
+  GRADLE ?= ./gradlew
+endif
 
 APP_BUILD_DIR := app-build
 DIST := dist