diff --git a/debian/changelog b/debian/changelog
index 5ea1b05..fc759c8 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -10,8 +10,9 @@ ubuntu-dev-tools (0.117) UNRELEASED; urgency=low
     fetching dscs.
   * debian/control: Suggest qemu-user-static | qemu-kvm-extras-static. Ubuntu
     provides a qemu-user-static package, like Debian, since natty.
+  * grab-merge: Show help when no arguments are provided.
 
- -- Stefano Rivera <stefanor@ubuntu.com>  Sun, 13 Feb 2011 15:01:30 +0200
+ -- Stefano Rivera <stefanor@ubuntu.com>  Sun, 13 Feb 2011 15:03:36 +0200
 
 ubuntu-dev-tools (0.116) unstable; urgency=low
 
diff --git a/grab-merge b/grab-merge
index f21becd..4e5372c 100755
--- a/grab-merge
+++ b/grab-merge
@@ -29,7 +29,7 @@ set -e
 
 MERGE=$1
 
-if [ "$1" = "-h" ] || [ "$1" = "--help" ]; then
+if [ -z "$1" -o "$1" = "-h" -o "$1" = "--help" ]; then
     echo "Usage: $0 <package name>"
     echo ""
     echo "grab-merge downloads a merge's packaging files and report from"