diff --git a/Makefile b/Makefile
index 4a51985..01e6959 100644
--- a/Makefile
+++ b/Makefile
@@ -359,7 +359,7 @@
 SUBVERS := $(shell (grep -v '^\$$' SUBVERS 2>/dev/null || touch SUBVERS) | head -n 1)
 endif
 ifeq ($(VERDATE),)
-VERDATE := $(shell (grep -v '^\$$' VERDATE 2>/dev/null || touch VERDATE) | head -n 1)
+VERDATE := $(shell (grep -v '^\$$' VERDATE 2>/dev/null || touch VERDATE) | head -n 1 | cut -f1 -d' ' | tr '-' '/')
 endif
 
 #### Build options
diff --git a/SUBVERS b/SUBVERS
index 8b13789..26d9d35 100644
--- a/SUBVERS
+++ b/SUBVERS
@@ -1 +1,2 @@
+-$Format:%h$
 
diff --git a/VERDATE b/VERDATE
index b03f7cf..893b906 100644
--- a/VERDATE
+++ b/VERDATE
@@ -1 +1,2 @@
+$Format:%ci$
 2013/06/17