diff --git a/debian/changelog b/debian/changelog
index 85906289..b6c83bff 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,4 +1,4 @@
-llvm-toolchain-10 (1:10~+20200120101212+de4b2a7fad6-1~exp1) experimental; urgency=medium
+llvm-toolchain-10 (1:10~++20200120101212+de4b2a7fad6-1~exp1) experimental; urgency=medium
 
   * Branch llvm-toolchain-10 into its own branch
   * Merge recent 9 changes (python 3 and testsuite mostly)
diff --git a/debian/orig-tar.sh b/debian/orig-tar.sh
index 8cc6e9e4..e386e17e 100755
--- a/debian/orig-tar.sh
+++ b/debian/orig-tar.sh
@@ -118,7 +118,7 @@ if test -z  "$TAG" -a -z "$FINAL_RELEASE"; then
     # the + is here to make sure that this version is considered more recent than the svn
     # dpkg --compare-versions 10~svn374977-1~exp1 lt 10~+2019-svn374977-1~exp1
     # to verify that
-    VERSION="${VERSION}~+$(date +'%Y%m%d%I%M%S')+$(git log -1 --pretty=format:'%h')"
+    VERSION="${VERSION}~++$(date +'%Y%m%d%I%M%S')+$(git log -1 --pretty=format:'%h')"
 else
 
     if ! echo "$EXACT_VERSION"|grep -q "$MAJOR_VERSION"; then