diff --git a/mipmaps/electricPotentialPanelOutline_png.js b/mipmaps/electricPotentialPanelOutline_png.ts
similarity index 100%
rename from mipmaps/electricPotentialPanelOutline_png.js
rename to mipmaps/electricPotentialPanelOutline_png.ts
diff --git a/mipmaps/pencil_png.js b/mipmaps/pencil_png.ts
similarity index 100%
rename from mipmaps/pencil_png.js
rename to mipmaps/pencil_png.ts