diff --git a/.github/workflows/test-go-task.yml b/.github/workflows/test-go-task.yml
index afa47f680ad..3778aa23c1e 100644
--- a/.github/workflows/test-go-task.yml
+++ b/.github/workflows/test-go-task.yml
@@ -204,6 +204,13 @@ jobs:
           fi
           echo "CODECOV_TOKEN=$CODECOV_TOKEN" >> "$GITHUB_ENV"
 
+      # There is a bug in the codecov uploader that makes it fail when there are broken symlinks in the repository.
+      # We must keep this workaround until the bug is fixed: https://github.com/codecov/codecov-action/issues/1890
+      - name: Workaround for codecov uploader bug
+        run: |
+          rm internal/integrationtest/compile_4/testdata/ValidSketchWithNonInoBrokenSketchFileSymlink/other_file.c
+          touch internal/integrationtest/compile_4/testdata/ValidSketchWithNonInoBrokenSketchFileSymlink/other_file.c
+
       - name: Send unit tests coverage to Codecov
         uses: codecov/codecov-action@v5
         with:
diff --git a/internal/integrationtest/core/core_test.go b/internal/integrationtest/core/core_test.go
index a27b5f6d15a..8644070886e 100644
--- a/internal/integrationtest/core/core_test.go
+++ b/internal/integrationtest/core/core_test.go
@@ -828,7 +828,7 @@ func TestCoreListSortedResults(t *testing.T) {
 	require.NoError(t, err)
 
 	// install some core for testing
-	_, _, err = cli.Run("core", "install", "test:x86@2.0.0", "Retrokits-RK002:arm", "Package:x86", "--additional-urls="+url.String())
+	_, _, err = cli.Run("core", "install", "test:x86@2.0.0", "arduino:samd", "Package:x86", "--additional-urls="+url.String())
 	require.NoError(t, err)
 
 	// list all with additional url specified