diff --git a/gopro_8:7/unfish_gopro_8:7.glsl b/gopro_8:7/unfish_gopro_8:7.glsl
index 7ea667f..dffd534 100644
--- a/gopro_8:7/unfish_gopro_8:7.glsl
+++ b/gopro_8:7/unfish_gopro_8:7.glsl
@@ -68,7 +68,7 @@ vec3 sample_texture(const in vec2 coord) {
     vec2 y_coord = texture_center + rectilinear * sensor_to_texture;
 #ifdef debug_borders
     if (y_coord.x < 0.0 || y_coord.y < 0.0 || y_coord.x > myResolution.x || y_coord.y > myResolution.y) {
-        return vec3(1.0);
+        return vec3(16.0 / 255.0, 0.5, 0.5);
     }
 #endif
     vec2 uv_coord = y_coord * 0.5;