diff --git a/package/utils/ct-bugcheck/Makefile b/package/utils/ct-bugcheck/Makefile
index 5deb1e0d35..d8b35df1ea 100644
--- a/package/utils/ct-bugcheck/Makefile
+++ b/package/utils/ct-bugcheck/Makefile
@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 include $(INCLUDE_DIR)/kernel.mk
 
 PKG_NAME:=ct-bugcheck
-PKG_RELEASE:=2016-07-21
+PKG_RELEASE:=2016.07.21
 
 include $(INCLUDE_DIR)/package.mk