diff --git a/abogen/application/conversion_executor.py b/abogen/application/conversion_executor.py
index 4e6eb90..1041dd0 100644
--- a/abogen/application/conversion_executor.py
+++ b/abogen/application/conversion_executor.py
@@ -301,7 +301,7 @@ def execute_conversion(
 
             chapter_display = f"Chapter {chapter_idx}/{len(plan.chapters)}: {chapter.title}"
             events.log(f"Processing {chapter_display}")
-            logging.info("[executor] Chapter %d/%d start: title=%s", chapter_idx, len(plan.chapters), chapter.title)
+            logging.info("[executor] Chapter %d/%d: %s", chapter_idx, len(plan.chapters), chapter.title)
 
             # Resolve chapter voice
             chapter_provider, chapter_voice, chapter_speed, chapter_steps = _resolve_voice(
@@ -532,7 +532,7 @@ def execute_conversion(
             collector.on_chapter_end(stats.current_time)
             logging.info("[executor] Chapter %d/%d done: time=%.1fs", chapter_idx, len(plan.chapters), stats.current_time)
 
-        logging.info("[executor] All chapters processed, total time=%.1fs", stats.current_time)
+        logging.info("[executor] All chapters done: total=%.1fs", stats.current_time)
 
         # Process outro
         if plan.outro and plan.outro.enabled and merge_chapters:
diff --git a/abogen/webui/routes/utils/synthesize.py b/abogen/webui/routes/utils/synthesize.py
index e5eee08..8145a74 100644
--- a/abogen/webui/routes/utils/synthesize.py
+++ b/abogen/webui/routes/utils/synthesize.py
@@ -7,6 +7,7 @@ import soundfile as sf
 from flask import current_app, send_file
 from flask.typing import ResponseReturnValue
 
+from abogen.domain.audio_helpers import to_float32
 from abogen.domain.device import select_device as _select_device
 from abogen.domain.enums import Language
 from abogen.domain.split_pattern import get_split_pattern
@@ -155,7 +156,7 @@ def generate_preview_audio(
         graphemes = getattr(segment, "graphemes", "").strip()
         if not graphemes:
             continue
-        audio = _to_float32(getattr(segment, "audio", None))
+        audio = to_float32(getattr(segment, "audio", None))
         if audio.size == 0:
             continue
         remaining = max_samples - accumulated