diff --git a/normaliz.spec b/normaliz.spec
index de6873f..b855990 100644
--- a/normaliz.spec
+++ b/normaliz.spec
@@ -27,6 +27,7 @@ URL:            https://www.normaliz.uni-osnabrueck.de/
 
 Source:         https://github.com/Normaliz/Normaliz/releases/download/v%version/%name-%version.tar.gz
 Patch1:         0001-Fix-a-bunch-of-compiler-warnings-and-two-actual-bugs.patch
+Patch2:         headerfile.patch
 BuildRequires:  boost-devel
 BuildRequires:  cmake >= 2.6
 #maybe with flint-devel later on
@@ -80,9 +81,7 @@ the Normaliz computations from any C++ program.
 %autosetup -p1
 
 %build
-if [ ! -e configure ]; then
-	autoreconf -fi
-fi
+autoreconf -fi
 %configure --disable-static
 make %{?_smp_mflags}