diff --git a/3d/material_testers/icon.png b/3d/material_testers/icon.png
new file mode 100644
index 00000000..247955a5
Binary files /dev/null and b/3d/material_testers/icon.png differ
diff --git a/3d/material_testers/project.godot b/3d/material_testers/project.godot
index ccca8631..3d783eec 100644
--- a/3d/material_testers/project.godot
+++ b/3d/material_testers/project.godot
@@ -12,6 +12,7 @@ config_version=3
 
 config/name="Material Tester"
 run/main_scene="res://tester.scn"
+config/icon="res://icon.png"
 
 [gdnative]