diff --git a/Makefile b/Makefile
index 45ac1f7..01a5fbf 100644
--- a/Makefile
+++ b/Makefile
@@ -6,7 +6,7 @@ ASSETS_DIR_NAME = "assets"
 BUILD_DIR = "../../build"
 
 build:
-	go build -o ${BUILD_DIR}/${OUTPUT_DIR_NAME}/${OUTPUT_BINARY_NAME}
+	go build -o ${BUILD_DIR}/${OUTPUT_DIR_NAME}/${OUTPUT_BINARY_NAME}${OUTPUT_BINARY_EXT}
 	@if [ -d ${ASSETS_DIR_NAME} ] && [ -n "`ls -A ${ASSETS_DIR_NAME}`" ] ;then \
 		cp -r ${ASSETS_DIR_NAME}/* ${BUILD_DIR}/${OUTPUT_DIR_NAME}/; \
 	fi