diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 5bc67e3..e376583 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -10,9 +10,7 @@ jobs:
   test:
     strategy:
       matrix:
-        # FIXME: windows-latest not working
-        # os: [ ubuntu-latest, windows-latest, macos-latest ]
-        os: [ ubuntu-latest, macos-latest ]
+        os: [ ubuntu-latest, windows-latest, macos-latest ]
         go-version: [ "1.19", "1.20", ">=1.21" ]
     runs-on: ${{ matrix.os }}
     steps:
@@ -22,7 +20,7 @@ jobs:
         go-version: ${{ matrix.go-version }}
         check-latest: true
     - run: go vet ./...
-    - run: go test -coverprofile=coverage.txt -covermode=atomic ./...
+    - run: go test "-coverprofile=coverage.txt" -covermode=atomic ./...
     - run: go install ./cmd/mp4tool
     - name: Upload Coverage Report
       if: ${{ github.event_name == 'push' && matrix.os == 'ubuntu-latest' && matrix.go-version == '1.19' }}
diff --git a/cmd/mp4tool/internal/dump/dump_test.go b/cmd/mp4tool/internal/dump/dump_test.go
index 150d2ad..6f1757a 100644
--- a/cmd/mp4tool/internal/dump/dump_test.go
+++ b/cmd/mp4tool/internal/dump/dump_test.go
@@ -49,8 +49,10 @@ func TestDump(t *testing.T) {
 				os.Stdout = stdout
 			}()
 			os.Stdout = w
-			Main(append(tc.options, tc.file))
-			w.Close()
+			go func() {
+				require.Zero(t, Main(append(tc.options, tc.file)))
+				w.Close()
+			}()
 			b, err := io.ReadAll(r)
 			require.NoError(t, err)
 			assert.Equal(t, tc.wants, string(b))
diff --git a/cmd/mp4tool/internal/extract/extract_test.go b/cmd/mp4tool/internal/extract/extract_test.go
index 45f9614..059bf79 100644
--- a/cmd/mp4tool/internal/extract/extract_test.go
+++ b/cmd/mp4tool/internal/extract/extract_test.go
@@ -44,8 +44,10 @@ func TestExtract(t *testing.T) {
 				os.Stdout = stdout
 			}()
 			os.Stdout = w
-			require.Zero(t, Main([]string{tc.boxType, tc.file}))
-			w.Close()
+			go func() {
+				require.Zero(t, Main([]string{tc.boxType, tc.file}))
+				w.Close()
+			}()
 			b, err := io.ReadAll(r)
 			require.NoError(t, err)
 			assert.Equal(t, tc.expectedSize, len(b))
diff --git a/cmd/mp4tool/internal/probe/probe_test.go b/cmd/mp4tool/internal/probe/probe_test.go
index 8925b14..6a54b16 100644
--- a/cmd/mp4tool/internal/probe/probe_test.go
+++ b/cmd/mp4tool/internal/probe/probe_test.go
@@ -42,8 +42,10 @@ func TestProbe(t *testing.T) {
 			os.Stdout = stdout
 		}()
 		os.Stdout = w
-		Main(append(tc.options, tc.file))
-		w.Close()
+		go func() {
+			require.Zero(t, Main(append(tc.options, tc.file)))
+			w.Close()
+		}()
 		b, err := io.ReadAll(r)
 		require.NoError(t, err)
 		assert.Equal(t, tc.wants, string(b))
diff --git a/cmd/mp4tool/internal/psshdump/psshdump_test.go b/cmd/mp4tool/internal/psshdump/psshdump_test.go
index 4735437..dea7258 100644
--- a/cmd/mp4tool/internal/psshdump/psshdump_test.go
+++ b/cmd/mp4tool/internal/psshdump/psshdump_test.go
@@ -52,8 +52,10 @@ func TestPsshdump(t *testing.T) {
 				os.Stdout = stdout
 			}()
 			os.Stdout = w
-			Main(append(tc.options, tc.file))
-			w.Close()
+			go func() {
+				require.Zero(t, Main(append(tc.options, tc.file)))
+				w.Close()
+			}()
 			b, err := io.ReadAll(r)
 			require.NoError(t, err)
 			assert.Equal(t, tc.wants, string(b))