diff --git a/src/calendar_manager.py b/src/calendar_manager.py
index e3e8e16f..2a6feec1 100644
--- a/src/calendar_manager.py
+++ b/src/calendar_manager.py
@@ -129,8 +129,8 @@ class CalendarManager:
             # Use display manager's small font for date/time and calendar font for summary
             datetime_font = self.display_manager.small_font
             summary_font = self.display_manager.calendar_font
-            logger.debug(f"Using datetime font: {datetime_font}")
-            logger.debug(f"Using summary font: {summary_font}")
+            logger.debug(f"Using datetime font: {datetime_font} (type: {type(datetime_font)})")
+            logger.debug(f"Using summary font: {summary_font} (type: {type(summary_font)})")
             available_width = self.display_manager.matrix.width - 4  # Leave 2 pixel margin on each side
             
             # Draw date and time on top line
diff --git a/src/display_manager.py b/src/display_manager.py
index 9267c2c8..f7752e01 100644
--- a/src/display_manager.py
+++ b/src/display_manager.py
@@ -157,6 +157,8 @@ class DisplayManager:
                 logger.info(f"Attempting to load tom-thumb font from: {font_path}")
                 self.calendar_font = ImageFont.load(font_path)
                 logger.info(f"tom-thumb calendar font loaded successfully from {font_path}")
+                logger.info(f"Calendar font type: {type(self.calendar_font)}")
+                logger.info(f"Calendar font size: {self.calendar_font.size}")
             except Exception as font_err:
                 logger.error(f"Failed to load tom-thumb font: {font_err}. Falling back to small font.")
                 self.calendar_font = self.small_font