diff --git a/core/assets-raw/sprites/blocks/power/rtg-generator.png b/core/assets-raw/sprites/blocks/power/rtg-generator.png
index 6c95894959..1dd27d69c9 100644
Binary files a/core/assets-raw/sprites/blocks/power/rtg-generator.png and b/core/assets-raw/sprites/blocks/power/rtg-generator.png differ