diff --git a/unpaper.spec b/unpaper.spec
index 89b06ff..9fde284 100644
--- a/unpaper.spec
+++ b/unpaper.spec
@@ -21,12 +21,10 @@ of scanned pages before performing optical character recognition
 (OCR).
 
 %prep
-%setup -n
+%setup -q
 
 %build
-aclocal
-automake --add-missing
-autoconf
+autoconf -fis
 %configure --prefix=%{_prefix}
 %{__make}