diff --git a/mtools.spec b/mtools.spec
index f318544..0e38923 100644
--- a/mtools.spec
+++ b/mtools.spec
@@ -23,7 +23,7 @@ Mtools should be installed if you need to use MS-DOS disks
 
 %prep
 %setup -q -n %{name}-%{version}
-%patch0 -p1 -b .conf
+%patch 0 -p1 -b .conf
 
 %build
 autoreconf -fiv