diff --git a/.devops/nix/package.nix b/.devops/nix/package.nix
index 10dbd1e63..027921ac4 100644
--- a/.devops/nix/package.nix
+++ b/.devops/nix/package.nix
@@ -186,7 +186,7 @@ effectiveStdenv.mkDerivation (
       [
         (cmakeBool "LLAMA_NATIVE" false)
         (cmakeBool "LLAMA_BUILD_SERVER" true)
-        (cmakeBool "BUILD_SHARED_LIBS" !buildStatic)
+        (cmakeBool "BUILD_SHARED_LIBS" (!buildStatic))
         (cmakeBool "CMAKE_SKIP_BUILD_RPATH" true)
         (cmakeBool "LLAMA_BLAS" useBlas)
         (cmakeBool "LLAMA_CLBLAST" useOpenCL)