diff --git a/levelup/generator/imgtools.py b/levelup/generator/imgtools.py
index fe8686f..d450819 100644
--- a/levelup/generator/imgtools.py
+++ b/levelup/generator/imgtools.py
@@ -390,17 +390,21 @@ def get_avg_duration(image: Image.Image) -> int:
 
 def create_glass_effect(image: Image.Image, opacity: float = 0.3, blur_radius: int = 10) -> Image.Image:
     """Create a modern glass effect with blur and transparency."""
-    # Create a copy of the image to blur
+    # Create a copy of the image and ensure it's in RGBA mode
     glass = image.copy()
+    if glass.mode != "RGBA":
+        glass = glass.convert("RGBA")
     
-    # Apply gaussian blur
-    glass = glass.filter(ImageFilter.GaussianBlur(blur_radius))
+    # Apply gaussian blur (must be in RGB mode for blur)
+    glass_rgb = glass.convert("RGB")
+    glass_rgb = glass_rgb.filter(ImageFilter.GaussianBlur(blur_radius))
+    glass = glass_rgb.convert("RGBA")
     
     # Create a semi-transparent white overlay
     overlay = Image.new('RGBA', image.size, (255, 255, 255, int(255 * opacity)))
     
     # Composite the blurred image with the overlay
-    glass = Image.alpha_composite(glass.convert('RGBA'), overlay)
+    glass = Image.alpha_composite(glass, overlay)
     
     return glass
 
diff --git a/levelup/generator/styles/default.py b/levelup/generator/styles/default.py
index 627bc37..3dd2ec0 100644
--- a/levelup/generator/styles/default.py
+++ b/levelup/generator/styles/default.py
@@ -250,13 +250,15 @@ def generate_default_profile(
     
     # Create glass effect for stats area
     stats_bg = card.crop(stats_area)
+    if stats_bg.mode != "RGBA":
+        stats_bg = stats_bg.convert("RGBA")
     glass_bg = imgtools.create_glass_effect(stats_bg, opacity=0.3, blur_radius=20)
-    stats_layer.paste(glass_bg, stats_area)
+    stats_layer.paste(glass_bg, stats_area, glass_bg)  # Use glass_bg as mask
     
     # Add rounded corners to the glass effect
     stats_mask = imgtools.get_rounded_corner_mask(glass_bg, radius=30)
     glass_bg.putalpha(stats_mask)
-    stats_layer.paste(glass_bg, stats_area, glass_bg)
+    stats_layer.paste(glass_bg, stats_area, glass_bg)  # Use glass_bg as mask again
 
     # Draw stats with improved styling
     draw = ImageDraw.Draw(stats_layer)