diff --git a/experiments/benchmark_cairo_draw.nim b/experiments/benchmark_cairo_draw.nim
index d6db25b..f2d9fe9 100644
--- a/experiments/benchmark_cairo_draw.nim
+++ b/experiments/benchmark_cairo_draw.nim
@@ -53,7 +53,7 @@ block:
     ctx.mask(source, 0, 0)
     tmp.flush()
 
-  echo tmp.writeToPng("tmp_masked.png")
+  # echo tmp.writeToPng("tmp_masked.png")
 
 block:
   let
@@ -65,7 +65,7 @@ block:
     tmp.draw(backdrop)
     tmp.draw(source, blendMode = bmMask)
 
-  tmp.writeFile("tmp_masked2.png")
+  # tmp.writeFile("tmp_masked2.png")
 
 block:
   let
diff --git a/src/pixie/images.nim b/src/pixie/images.nim
index 20eb4e5..56c7d8e 100644
--- a/src/pixie/images.nim
+++ b/src/pixie/images.nim
@@ -913,7 +913,8 @@ proc drawUber(
         clamp(srcPos.y, 0, b.height.float32)
       )
 
-      if blendMode == bmOverwrite:
+      case blendMode:
+      of bmOverwrite:
         for x in x ..< xMax:
           let samplePos = ivec2((srcPos.x - h).int32, (srcPos.y - h).int32)
           when type(a) is Image:
@@ -929,7 +930,7 @@ proc drawUber(
               let source = b.unsafe[samplePos.x, samplePos.y]
             a.unsafe[x, y] = source
           srcPos += dx
-      elif blendMode == bmNormal:
+      of bmNormal:
         for x in x ..< xMax:
           let samplePos = ivec2((srcPos.x - h).int32, (srcPos.y - h).int32)
           when type(a) is Image:
@@ -955,7 +956,7 @@ proc drawUber(
                 let backdrop = a.unsafe[x, y]
                 a.unsafe[x, y] = blendAlpha(backdrop, source)
           srcPos += dx
-      elif blendMode == bmMask:
+      of bmMask:
         for x in x ..< xMax:
           let samplePos = ivec2((srcPos.x - h).int32, (srcPos.y - h).int32)
           when type(a) is Image: