diff --git a/doc/Changelog b/doc/Changelog
index 4464db137..d0d452b7f 100644
--- a/doc/Changelog
+++ b/doc/Changelog
@@ -1,5 +1,7 @@
 16 December 2008: Wouter
 	- follow makedist improvements from ldns, for maintainers prereleases.
+	- snapshot version uses _ not - to help rpm distinguish the
+	  version number.
 
 11 December 2008: Wouter
 	- better fix for bug #219: use LOG_NDELAY with openlog() call.
diff --git a/makedist.sh b/makedist.sh
index f2198d58e..7d2b5e5fc 100755
--- a/makedist.sh
+++ b/makedist.sh
@@ -207,7 +207,7 @@ info "Unbound version: $version"
 
 if [ "$SNAPSHOT" = "yes" ]; then
     info "Building Unbound snapshot."
-    version2="$version-`date +%Y%m%d`"
+    version2="$version_`date +%Y%m%d`"
     info "Snapshot version number: $version2"
 
     replace_text "configure.ac" "AC_INIT(unbound, $version" "AC_INIT(unbound, $version2"