diff --git a/pkgs/development/libraries/science/math/openblas/default.nix b/pkgs/development/libraries/science/math/openblas/default.nix
index 9a07f5355219..a34127d3e2dc 100644
--- a/pkgs/development/libraries/science/math/openblas/default.nix
+++ b/pkgs/development/libraries/science/math/openblas/default.nix
@@ -116,8 +116,7 @@ let
     };
 
     loongarch64-linux = {
-      BINARY = 64;
-      TARGET = setTarget "LOONGSONGENERIC";
+      TARGET = setTarget "LA64_GENERIC";
       DYNAMIC_ARCH = setDynamicArch false;
       USE_OPENMP = true;
     };