diff --git a/cmdapp/src/converter.rs b/cmdapp/src/converter.rs
index d0c4c2b..cfa4fa5 100644
--- a/cmdapp/src/converter.rs
+++ b/cmdapp/src/converter.rs
@@ -73,7 +73,7 @@ fn should_key_image(img: &ColorImage) -> bool {
 
     // Check for transparency at several scanlines
     let threshold = ((img.width * 2) as f32 * KEYING_THRESHOLD) as usize;
-    let mut num_transparent_boundary_pixels = 0;
+    let mut num_transparent_pixels = 0;
     let y_positions = [
         0,
         img.height / 4,
@@ -84,9 +84,9 @@ fn should_key_image(img: &ColorImage) -> bool {
     for y in y_positions {
         for x in 0..img.width {
             if img.get_pixel(x, y).a == 0 {
-                num_transparent_boundary_pixels += 1;
+                num_transparent_pixels += 1;
             }
-            if num_transparent_boundary_pixels >= threshold {
+            if num_transparent_pixels >= threshold {
                 return true;
             }
         }
diff --git a/webapp/src/conversion/color_image.rs b/webapp/src/conversion/color_image.rs
index 0cd15ad..edfa0c0 100644
--- a/webapp/src/conversion/color_image.rs
+++ b/webapp/src/conversion/color_image.rs
@@ -233,14 +233,14 @@ impl ColorImageConverter {
     
         // Check for transparency at several scanlines
         let threshold = ((img.width * 2) as f32 * KEYING_THRESHOLD) as usize;
-        let mut num_transparent_boundary_pixels = 0;
+        let mut num_transparent_pixels = 0;
         let y_positions = [0, img.height / 4, img.height / 2, 3 * img.height / 4, img.height - 1];
         for y in y_positions {
             for x in 0..img.width {
                 if img.get_pixel(x, y).a == 0 {
-                    num_transparent_boundary_pixels += 1;
+                    num_transparent_pixels += 1;
                 }
-                if num_transparent_boundary_pixels >= threshold {
+                if num_transparent_pixels >= threshold {
                     return true;
                 }
             }