diff --git a/.github/workflows/build-windows.yml b/.github/workflows/build-windows.yml
index 0434577c1..339f10a0a 100644
--- a/.github/workflows/build-windows.yml
+++ b/.github/workflows/build-windows.yml
@@ -96,23 +96,23 @@ jobs:
         run: |
           # Since Visual Studio is a multi-generator, we need to use --config
           # https://stackoverflow.com/a/24470998/1236990
-          cmake --build build -j 4 --config ${{ matrix.build_type }} --target gtsam
-          cmake --build build -j 4 --config ${{ matrix.build_type }} --target gtsam_unstable
-          cmake --build build -j 4 --config ${{ matrix.build_type }} --target wrap
+          cmake --build build -j4 --config ${{ matrix.build_type }} --target gtsam
+          cmake --build build -j4 --config ${{ matrix.build_type }} --target gtsam_unstable
+          cmake --build build -j4 --config ${{ matrix.build_type }} --target wrap
 
           # Run GTSAM tests
-          cmake --build build -j 4 --config ${{ matrix.build_type }} --target check.base
-          cmake --build build -j 4 --config ${{ matrix.build_type }} --target check.basis
-          cmake --build build -j 4 --config ${{ matrix.build_type }} --target check.discrete
-          #cmake --build build -j 4 --config ${{ matrix.build_type }} --target check.geometry
-          cmake --build build -j 4 --config ${{ matrix.build_type }} --target check.inference
-          cmake --build build -j 4 --config ${{ matrix.build_type }} --target check.linear
-          cmake --build build -j 4 --config ${{ matrix.build_type }} --target check.navigation
-          #cmake --build build -j 4 --config ${{ matrix.build_type }} --target check.nonlinear
-          #cmake --build build -j 4 --config ${{ matrix.build_type }} --target check.sam
-          cmake --build build -j 4 --config ${{ matrix.build_type }} --target check.sfm
-          #cmake --build build -j 4 --config ${{ matrix.build_type }} --target check.slam
-          cmake --build build -j 4 --config ${{ matrix.build_type }} --target check.symbolic
+          cmake --build build -j4 --config ${{ matrix.build_type }} --target check.base
+          cmake --build build -j4 --config ${{ matrix.build_type }} --target check.basis
+          cmake --build build -j4 --config ${{ matrix.build_type }} --target check.discrete
+          #cmake --build build -j4 --config ${{ matrix.build_type }} --target check.geometry
+          cmake --build build -j4 --config ${{ matrix.build_type }} --target check.inference
+          cmake --build build -j4 --config ${{ matrix.build_type }} --target check.linear
+          cmake --build build -j4 --config ${{ matrix.build_type }} --target check.navigation
+          #cmake --build build -j4 --config ${{ matrix.build_type }} --target check.nonlinear
+          cmake --build build -j4 --config ${{ matrix.build_type }} --target check.sam
+          cmake --build build -j4 --config ${{ matrix.build_type }} --target check.sfm
+          #cmake --build build -j4 --config ${{ matrix.build_type }} --target check.slam
+          cmake --build build -j4 --config ${{ matrix.build_type }} --target check.symbolic
 
           # Run GTSAM_UNSTABLE tests
           #cmake --build build -j 4 --config ${{ matrix.build_type }} --target check.base_unstable