diff --git a/src/pixie/paths.nim b/src/pixie/paths.nim
index c195d8e..71fbc14 100644
--- a/src/pixie/paths.nim
+++ b/src/pixie/paths.nim
@@ -1394,25 +1394,29 @@ proc fillCoverage(
 
         x += 16
 
+  proc applyCoverage(rgbx: ColorRGBX, coverage: uint8): ColorRGBX {.inline.} =
+    if coverage != 255:
+      result.r = ((rgbx.r.uint32 * coverage) div 255).uint8
+      result.g = ((rgbx.g.uint32 * coverage) div 255).uint8
+      result.b = ((rgbx.b.uint32 * coverage) div 255).uint8
+      result.a = ((rgbx.a.uint32 * coverage) div 255).uint8
+    else:
+      result = rgbx
+
   let blender = blendMode.blender()
-  while x < startX + coverages.len:
+  for x in x ..< startX + coverages.len:
     let coverage = coverages[x - startX]
     if coverage != 0 or blendMode == bmExcludeMask:
       if blendMode == bmNormal and coverage == 255 and rgbx.a == 255:
         # Skip blending
         image.unsafe[x, y] = rgbx
       else:
-        var source = rgbx
-        if coverage != 255:
-          source.r = ((source.r.uint32 * coverage) div 255).uint8
-          source.g = ((source.g.uint32 * coverage) div 255).uint8
-          source.b = ((source.b.uint32 * coverage) div 255).uint8
-          source.a = ((source.a.uint32 * coverage) div 255).uint8
-        let backdrop = image.unsafe[x, y]
+        let
+          source = rgbx.applyCoverage(coverage)
+          backdrop = image.unsafe[x, y]
         image.unsafe[x, y] = blender(backdrop, source)
     elif blendMode == bmMask:
       image.unsafe[x, y] = rgbx(0, 0, 0, 0)
-    inc x
 
   if blendMode == bmMask:
     image.clearUnsafe(0, y, startX, y)
@@ -1446,14 +1450,13 @@ proc fillCoverage(
         x += 16
 
   let masker = blendMode.masker()
-  while x < startX + coverages.len:
+  for x in x ..< startX + coverages.len:
     let coverage = coverages[x - startX]
     if coverage != 0 or blendMode == bmExcludeMask:
       let backdrop = mask.unsafe[x, y]
       mask.unsafe[x, y] = masker(backdrop, coverage)
     elif blendMode == bmMask:
       mask.unsafe[x, y] = 0
-    inc x
 
   if blendMode == bmMask:
     mask.clearUnsafe(0, y, startX, y)