diff --git a/pkgs/applications/science/math/wxmaxima/default.nix b/pkgs/applications/science/math/wxmaxima/default.nix
index bd3a5be6b7c3..345542503a37 100644
--- a/pkgs/applications/science/math/wxmaxima/default.nix
+++ b/pkgs/applications/science/math/wxmaxima/default.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation (finalAttrs:{
     owner = "wxMaxima-developers";
     repo = "wxmaxima";
     rev = "Version-${finalAttrs.version}";
-    sha256 = "sha256-X4nx8zARToogQS4bfkv3CbsS2qU2uL9BBYw0Lw7QC18=";
+    hash = "sha256-X4nx8zARToogQS4bfkv3CbsS2qU2uL9BBYw0Lw7QC18=";
   };
 
   buildInputs = [