diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 293c4cd0..ac86f819 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -97,6 +97,10 @@ jobs:
         if [ '${{ runner.os }}' == 'macOS' ]; then
           amount=3
         fi
+        # the Actions runner does not seem to be happy with two jobs at once on MinGW
+        if [ '${{ matrix.config.compiler }}' == 'mingw' ]; then
+          amount=1
+        fi
 
         echo "Amount of cores we can build with: ${amount}"