diff --git a/src/build/Build.go b/src/build/Build.go
index 2e740c6..cb221a4 100644
--- a/src/build/Build.go
+++ b/src/build/Build.go
@@ -5,6 +5,7 @@ import (
 	"strings"
 
 	"git.akyoto.dev/cli/q/src/compiler"
+	"git.akyoto.dev/cli/q/src/config"
 	"git.akyoto.dev/cli/q/src/scanner"
 )
 
@@ -31,10 +32,16 @@ func (build *Build) Executable() string {
 	path, _ := filepath.Abs(build.Files[0])
 
 	if strings.HasSuffix(path, ".q") {
-		return fromFileName(path)
+		path = fromFileName(path)
 	} else {
-		return fromDirectoryName(path)
+		path = fromDirectoryName(path)
 	}
+
+	if config.TargetOS == "windows" {
+		path += ".exe"
+	}
+
+	return path
 }
 
 // fromDirectoryName returns the executable path based on the directory name.
diff --git a/tests/examples_test.go b/tests/examples_test.go
index 63dd7f3..bb9e4fe 100644
--- a/tests/examples_test.go
+++ b/tests/examples_test.go
@@ -33,12 +33,12 @@ func TestExamples(t *testing.T) {
 
 		t.Run(test.Name+"/debug", func(t *testing.T) {
 			config.ConstantFold = false
-			run(t, directory, "debug", test.Name, test.Input, test.Output, test.ExitCode)
+			run(t, directory, "debug", test.Input, test.Output, test.ExitCode)
 		})
 
 		t.Run(test.Name+"/release", func(t *testing.T) {
 			config.ConstantFold = true
-			run(t, directory, "release", test.Name, test.Input, test.Output, test.ExitCode)
+			run(t, directory, "release", test.Input, test.Output, test.ExitCode)
 		})
 	}
 }
diff --git a/tests/programs_test.go b/tests/programs_test.go
index a6b117f..986cf81 100644
--- a/tests/programs_test.go
+++ b/tests/programs_test.go
@@ -66,12 +66,12 @@ func TestPrograms(t *testing.T) {
 
 		t.Run(test.Name+"/debug", func(t *testing.T) {
 			config.ConstantFold = false
-			run(t, file, "debug", test.Name, test.Input, test.Output, test.ExitCode)
+			run(t, file, "debug", test.Input, test.Output, test.ExitCode)
 		})
 
 		t.Run(test.Name+"/release", func(t *testing.T) {
 			config.ConstantFold = true
-			run(t, file, "release", test.Name, test.Input, test.Output, test.ExitCode)
+			run(t, file, "release", test.Input, test.Output, test.ExitCode)
 		})
 	}
 }
@@ -90,16 +90,17 @@ func BenchmarkPrograms(b *testing.B) {
 }
 
 // run builds and runs the file to check if the output matches the expected output.
-func run(t *testing.T, path string, version string, name string, input string, expectedOutput string, expectedExitCode int) {
+func run(t *testing.T, path string, version string, input string, expectedOutput string, expectedExitCode int) {
 	b := build.New(path)
 	result, err := b.Run()
 	assert.Nil(t, err)
 
-	directory := filepath.Join(os.TempDir(), "q", version)
-	err = os.MkdirAll(directory, 0755)
+	tmpDir := filepath.Join(os.TempDir(), "q", version)
+	err = os.MkdirAll(tmpDir, 0755)
 	assert.Nil(t, err)
 
-	executable := filepath.Join(directory, name)
+	executable := b.Executable()
+	executable = filepath.Join(tmpDir, filepath.Base(executable))
 	err = result.WriteFile(executable)
 	assert.Nil(t, err)