diff --git a/.github/workflows/kcpp-build-release-win-oldcpu-full.yaml b/.github/workflows/kcpp-build-release-win-oldcpu-full.yaml
index 996e95137..928bc344a 100644
--- a/.github/workflows/kcpp-build-release-win-oldcpu-full.yaml
+++ b/.github/workflows/kcpp-build-release-win-oldcpu-full.yaml
@@ -49,7 +49,7 @@ jobs:
           mkdir build
           cd build
           cmake .. -DLLAMA_CUBLAS=ON -DLLAMA_AVX2=OFF -DCMAKE_SYSTEM_VERSION="10.0.19041.0"
-          cmake --build . --config Release -j $((${env:NUMBER_OF_PROCESSORS} - 1))
+          cmake --build . --config Release -j ${env:NUMBER_OF_PROCESSORS}
           mv bin/Release/koboldcpp_cublas.dll ../koboldcpp_cublas.dll
           cd ..