diff --git a/ChangeLog b/ChangeLog
index 266112a7..bcb07fbe 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2013-07-29  Brad Hubbard  <badone-guest@alioth.debian.org>
+
+        * lib/groupio.c: add newline char when two lines
+          are concatenated
+	  Closes: alioth#313942
+
 2013-07-28  Guido Trentalancia  <guido@trentalancia.com>
 
         * etc/login.defs: fix typographic errors and use a better format
diff --git a/lib/groupio.c b/lib/groupio.c
index 109c5886..244307fc 100644
--- a/lib/groupio.c
+++ b/lib/groupio.c
@@ -329,7 +329,7 @@ static /*@null@*/struct commonio_entry *merge_group_entries (
 	}
 
 	/* Concatenate the 2 lines */
-	new_line_len = strlen (gr1->line) + strlen (gr2->line) +1;
+	new_line_len = strlen (gr1->line) + strlen (gr2->line) +2;
 	new_line = (char *)malloc ((new_line_len + 1) * sizeof(char*));
 	if (NULL == new_line) {
 		errno = ENOMEM;