diff --git a/makefile b/makefile
index 093f018a..f2391f4d 100644
--- a/makefile
+++ b/makefile
@@ -2,7 +2,7 @@
 
 PROJECT = OMC
 VERSION = 1.6.1
-RelDate = `date +%Y%m%d`
+RelDate = shell date +%Y%m%d
 Release = $(RelDate)
 RelVer = $(VERSION)-$(RelDate)
 PLATFORM = amd64