diff --git a/internal/transcription/adapters/canary_adapter.go b/internal/transcription/adapters/canary_adapter.go
index a7979c91..ef0e05ba 100644
--- a/internal/transcription/adapters/canary_adapter.go
+++ b/internal/transcription/adapters/canary_adapter.go
@@ -168,6 +168,11 @@ func (c *CanaryAdapter) GetSupportedModels() []string {
 func (c *CanaryAdapter) PrepareEnvironment(ctx context.Context) error {
 	logger.Info("Preparing NVIDIA Canary environment", "env_path", c.envPath)
 
+	// Copy transcription script
+	if err := c.copyTranscriptionScript(); err != nil {
+		return fmt.Errorf("failed to copy transcription script: %w", err)
+	}
+
 	// Check if environment is already ready (using cache to speed up repeated checks)
 	if CheckEnvironmentReady(c.envPath, "import nemo.collections.asr") {
 		modelPath := filepath.Join(c.envPath, "canary-1b-v2.nemo")
@@ -188,11 +193,6 @@ func (c *CanaryAdapter) PrepareEnvironment(ctx context.Context) error {
 		return fmt.Errorf("failed to download Canary model: %w", err)
 	}
 
-	// Create transcription script
-	if err := c.copyTranscriptionScript(); err != nil {
-		return fmt.Errorf("failed to create transcription script: %w", err)
-	}
-
 	c.initialized = true
 	logger.Info("Canary environment prepared successfully")
 	return nil
diff --git a/internal/transcription/adapters/parakeet_adapter.go b/internal/transcription/adapters/parakeet_adapter.go
index 5c20a673..bd4577a1 100644
--- a/internal/transcription/adapters/parakeet_adapter.go
+++ b/internal/transcription/adapters/parakeet_adapter.go
@@ -125,6 +125,15 @@ func (p *ParakeetAdapter) GetSupportedModels() []string {
 func (p *ParakeetAdapter) PrepareEnvironment(ctx context.Context) error {
 	logger.Info("Preparing NVIDIA Parakeet environment", "env_path", p.envPath)
 
+	// Copy transcription scripts (standard and buffered)
+	if err := p.copyTranscriptionScript(); err != nil {
+		return fmt.Errorf("failed to copy transcription script: %w", err)
+	}
+
+	if err := p.copyBufferedScript(); err != nil {
+		return fmt.Errorf("failed to create buffered script: %w", err)
+	}
+
 	// Check if environment is already ready (using cache to speed up repeated checks)
 	if CheckEnvironmentReady(p.envPath, "import nemo.collections.asr") {
 		modelPath := filepath.Join(p.envPath, "parakeet-tdt-0.6b-v3.nemo")
@@ -159,15 +168,6 @@ func (p *ParakeetAdapter) PrepareEnvironment(ctx context.Context) error {
 		return fmt.Errorf("failed to download Parakeet model: %w", err)
 	}
 
-	// Create transcription scripts (standard and buffered)
-	if err := p.copyTranscriptionScript(); err != nil {
-		return fmt.Errorf("failed to create transcription script: %w", err)
-	}
-
-	if err := p.createBufferedScript(); err != nil {
-		return fmt.Errorf("failed to create buffered script: %w", err)
-	}
-
 	p.initialized = true
 	logger.Info("Parakeet environment prepared successfully")
 	return nil
@@ -557,8 +557,8 @@ func (p *ParakeetAdapter) parseResult(tempDir string, input interfaces.AudioInpu
 	return result, nil
 }
 
-// createBufferedScript creates the Python script for NeMo buffered inference
-func (p *ParakeetAdapter) createBufferedScript() error {
+// copyBufferedScript creates the Python script for NeMo buffered inference
+func (p *ParakeetAdapter) copyBufferedScript() error {
 	scriptContent, err := nvidiaScripts.ReadFile("py/nvidia/parakeet_transcribe_buffered.py")
 	if err != nil {
 		return fmt.Errorf("failed to read embedded transcribe_buffered.py: %w", err)
diff --git a/internal/transcription/adapters/pyannote_adapter.go b/internal/transcription/adapters/pyannote_adapter.go
index d6a5a427..b50caf16 100644
--- a/internal/transcription/adapters/pyannote_adapter.go
+++ b/internal/transcription/adapters/pyannote_adapter.go
@@ -182,6 +182,11 @@ func (p *PyAnnoteAdapter) GetMinSpeakers() int {
 func (p *PyAnnoteAdapter) PrepareEnvironment(ctx context.Context) error {
 	logger.Info("Preparing PyAnnote environment", "env_path", p.envPath)
 
+	// Always ensure diarization script exists
+	if err := p.copyDiarizationScript(); err != nil {
+		return fmt.Errorf("failed to create diarization script: %w", err)
+	}
+
 	// Check if PyAnnote is already available (using cache to speed up repeated checks)
 	if CheckEnvironmentReady(p.envPath, "from pyannote.audio import Pipeline") {
 		logger.Info("PyAnnote already available in environment")
@@ -198,11 +203,6 @@ func (p *PyAnnoteAdapter) PrepareEnvironment(ctx context.Context) error {
 		return fmt.Errorf("failed to setup PyAnnote environment: %w", err)
 	}
 
-	// Always ensure diarization script exists
-	if err := p.copyDiarizationScript(); err != nil {
-		return fmt.Errorf("failed to create diarization script: %w", err)
-	}
-
 	// Verify PyAnnote is now available
 	testCmd := exec.Command("uv", "run", "--native-tls", "--project", p.envPath, "python", "-c", "from pyannote.audio import Pipeline")
 	if testCmd.Run() != nil {
diff --git a/internal/transcription/adapters/sortformer_adapter.go b/internal/transcription/adapters/sortformer_adapter.go
index 5419cde0..aea12d4a 100644
--- a/internal/transcription/adapters/sortformer_adapter.go
+++ b/internal/transcription/adapters/sortformer_adapter.go
@@ -152,6 +152,11 @@ func (s *SortformerAdapter) GetMinSpeakers() int {
 func (s *SortformerAdapter) PrepareEnvironment(ctx context.Context) error {
 	logger.Info("Preparing NVIDIA Sortformer environment", "env_path", s.envPath)
 
+	// Copy diarization script
+	if err := s.copyDiarizationScript(); err != nil {
+		return fmt.Errorf("failed to copy diarization script: %w", err)
+	}
+
 	// Check if environment is already ready (using cache to speed up repeated checks)
 	if CheckEnvironmentReady(s.envPath, "from nemo.collections.asr.models import SortformerEncLabelModel") {
 		modelPath := filepath.Join(s.envPath, "diar_streaming_sortformer_4spk-v2.nemo")
@@ -179,11 +184,6 @@ func (s *SortformerAdapter) PrepareEnvironment(ctx context.Context) error {
 		return fmt.Errorf("failed to download Sortformer model: %w", err)
 	}
 
-	// Create diarization script
-	if err := s.copyDiarizationScript(); err != nil {
-		return fmt.Errorf("failed to create diarization script: %w", err)
-	}
-
 	s.initialized = true
 	logger.Info("Sortformer environment prepared successfully")
 	return nil