diff --git a/.gitignore b/.gitignore
index 02f6758..964cbad 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,12 +1 @@
-/afflib-3.5.12.tar.gz
-/afflib-3.6.4.tar.gz
-/afflib-3.6.6.tar.gz
-/afflib-3.6.8.tar.gz
-/afflib-3.6.15.tar.gz
-/v3.7.3.tar.gz
-/v3.7.4.tar.gz
-/afflib-3.7.15.tar.gz
-/afflib-3.7.16.tar.gz
-/afflib-3.7.18.tar.gz
-/afflib-3.7.19.tar.gz
-/afflib-3.7.20.tar.gz
+afflib-*.tar.gz
diff --git a/afflib.spec b/afflib.spec
index 66cbc23..f8ba085 100644
--- a/afflib.spec
+++ b/afflib.spec
@@ -1,3 +1,6 @@
+%global commit0 01210f488410a23838c54fcc22297cf08ac7de66
+%global shortcommit0 %(c=%{commit0}; echo ${c:0:7})
+
 Name:           afflib
 Version:        3.7.20
 Release:        %autorelease
@@ -11,8 +14,8 @@ Summary:        Library to support the Advanced Forensic Format
 
 License:        BSD with advertising
 URL:            https://github.com/sshock/AFFLIBv3
-Source0:        %{url}/archive/v%{version}/%{name}-%{version}.tar.gz
-Patch0:         Fix-build-with-gcc-14-Wincompatible-pointer-types.patch
+#Source0:        %%{url}/archive/v%%{version}/%%{name}-%%{version}.tar.gz
+Source0:        %{url}/archive/%{commit0}/%{name}-%{shortcommit0}.tar.gz
 
 BuildRequires:  gcc-c++
 BuildRequires:  libtool
@@ -109,7 +112,7 @@ basic metadata accessor functions. The binding is not currently complete.
 
 
 %prep
-%autosetup -p1 -n AFFLIBv3-%{version}
+%autosetup -p1 -n AFFLIBv3-%{commit0}
 # prevent internal lzma to be built - testing
 #rm -rf lzma443
 
diff --git a/sources b/sources
index 7e4b057..351beb7 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (afflib-3.7.20.tar.gz) = 1ac623cb8462fc929a8ad1c014e92d319a3ebf5226ef07aa0777e4cbb77a9ee20adf570f39c960c9186ac2a477e861dfd5565d3364fdff22f9870f8c9ab30479
+SHA512 (afflib-01210f4.tar.gz) = de5932871e57e8702016011431540429d3820d868e0d810a3a4a35e50148708b350dfd4268855ee2eb71504cbab811c960339b6f68e90ed89401a86866efe4e4