diff --git a/pkgs/applications/emulators/retroarch/cores.nix b/pkgs/applications/emulators/retroarch/cores.nix
index 493c2b47056f..8c4028f586d5 100644
--- a/pkgs/applications/emulators/retroarch/cores.nix
+++ b/pkgs/applications/emulators/retroarch/cores.nix
@@ -266,14 +266,7 @@ lib.makeScope newScope (self: rec {
 
   vba-next = self.callPackage ./cores/vba-next.nix {  };
 
-  vecx = mkLibretroCore {
-    core = "vecx";
-    extraBuildInputs = [ libGL libGLU ];
-    meta = {
-      description = "Port of Vecx to libretro";
-      license = lib.licenses.gpl3Only;
-    };
-  };
+  vecx = self.callPackage ./cores/vecx.nix {  };
 
   virtualjaguar = mkLibretroCore {
     core = "virtualjaguar";
diff --git a/pkgs/applications/emulators/retroarch/cores/vecx.nix b/pkgs/applications/emulators/retroarch/cores/vecx.nix
new file mode 100644
index 000000000000..664f01b73849
--- /dev/null
+++ b/pkgs/applications/emulators/retroarch/cores/vecx.nix
@@ -0,0 +1,29 @@
+{
+  lib,
+  fetchFromGitHub,
+  libGL,
+  libGLU,
+  mkLibretroCore,
+}:
+mkLibretroCore {
+  core = "vecx";
+  version = "unstable-2024-06-28";
+
+  src = fetchFromGitHub {
+    owner = "libretro";
+    repo = "libretro-vecx";
+    rev = "0e48a8903bd9cc359da3f7db783f83e22722c0cf";
+    hash = "sha256-lB8NSaxDbN2qljhI0M/HFDuN0D/wMhFUQXhfSdGHsHU=";
+  };
+
+  extraBuildInputs = [
+    libGL
+    libGLU
+  ];
+
+  meta = {
+    description = "VBA-M libretro port with modifications for speed";
+    homepage = "https://github.com/libretro/libretro-vecx";
+    license = lib.licenses.gpl3Only;
+  };
+}