diff --git a/pkgs/by-name/fb/fb303/package.nix b/pkgs/by-name/fb/fb303/package.nix
index 754da5f1c832..0cc8ccd7f6d3 100644
--- a/pkgs/by-name/fb/fb303/package.nix
+++ b/pkgs/by-name/fb/fb303/package.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation (finalAttrs: {
     owner = "facebook";
     repo = "fb303";
     rev = "refs/tags/v${finalAttrs.version}";
-    sha256 = "sha256-Jtztb8CTqvRdRjUa3jaouP5PFAwoM4rKLIfgvOyXUIg=";
+    hash = "sha256-Jtztb8CTqvRdRjUa3jaouP5PFAwoM4rKLIfgvOyXUIg=";
   };
 
   nativeBuildInputs = [ cmake ];