diff --git a/.gitignore b/.gitignore
index 94d00b1..434a68e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 /dieharder-3.31.1.tgz
 /dieharder-3.31.1_urandom_64bit.patch
+/dieharder-3.31.1_aarch64.patch
diff --git a/dieharder.spec b/dieharder.spec
index db9f3fb..af68b7d 100644
--- a/dieharder.spec
+++ b/dieharder.spec
@@ -8,6 +8,7 @@ Group:          Development/Tools
 Source0:        http://www.phy.duke.edu/~rgb/General/%{name}/%{name}-%{version}.tgz
 URL:            http://www.phy.duke.edu/~rgb/General/dieharder.php
 Patch0:         dieharder-3.31.1_urandom_64bit.patch 
+Patch1:         dieharder-3.31.1_aarch64.patch
 
 Requires:       gsl
 Requires:       %{name}-libs%{?_isa} = %{version}-%{release}
@@ -20,7 +21,7 @@ BuildRequires:  texlive-latex
 %endif
 BuildRequires:  latex2html
 
-BuildRequires:  gsl-devel autoconf
+BuildRequires:  gsl-devel
 
 
 %description 
@@ -84,7 +85,7 @@ Development files for %{name}
 %prep
 %setup -q
 %patch0 -p1
-autoconf
+%patch1 -p1
 
 %build
 %configure
diff --git a/sources b/sources
index 7d68de0..23b5522 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-8936f9008183eea8d6cc0791a43e6359  dieharder-3.31.1_urandom_64bit.patch
+a5a8ec0060988bc660f2ab52464470fa  dieharder-3.31.1_aarch64.patch