diff --git a/packages/core/src/zig/buffer.zig b/packages/core/src/zig/buffer.zig
index 828f4184b..97cccbe10 100644
--- a/packages/core/src/zig/buffer.zig
+++ b/packages/core/src/zig/buffer.zig
@@ -97,6 +97,9 @@ fn blendColors(overlay: RGBA, text: RGBA) RGBA {
     if (overlay[3] == 1.0) {
         return overlay;
     }
+    if (overlay[3] == 0.0) {
+        return text;
+    }
 
     const alpha = overlay[3];
     var perceptualAlpha: f32 = undefined;