diff --git a/bin/cdist-config b/bin/cdist-config
index 755a3e60..ba45e927 100755
--- a/bin/cdist-config
+++ b/bin/cdist-config
@@ -154,7 +154,7 @@ __cdist_echo()
 
    set +u
    if [ "$__cdist_object_self" ]; then
-      __cdist_echo_prefix="$__cdist_object_self"
+      __cdist_echo_prefix="${__cdist_object_self}:"
    else
       __cdist_echo_prefix=""
    fi