diff --git a/makefile b/makefile
index bc968ea0..10a5ce62 100644
--- a/makefile
+++ b/makefile
@@ -3,7 +3,7 @@
 PROJECT = OMC
 VERSION = 5GC1.0.0
 RelVer = 1
-RelDate = `date +%%Y%%m%%d`
+RelDate = `date +%Y%m%d`
 Release = $(RelDate).$(RelVer)
 PLATFORM = amd64
 ARMPLATFORM = aarch64