diff --git a/tools/misc/mkdeb b/tools/misc/mkdeb
index 603cd6baa8..2e40747f2b 100644
--- a/tools/misc/mkdeb
+++ b/tools/misc/mkdeb
@@ -50,7 +50,7 @@ EOF
 
 # Package it up
 chown -R root:root deb
-dpkg --build deb $xen-upstream-$version.deb
+dpkg --build deb xen-upstream-$version.deb
 
 # Tidy up after ourselves
 rm -rf deb