diff --git a/src/modules/butterflies/butterflies_actions.h b/src/modules/butterflies/butterflies_actions.h
index 8149f3c57adc629811f5075d8463ae58a859d861..139efe614e8d1a1a7a9021f6172507ef1ea7e99a 100644
--- a/src/modules/butterflies/butterflies_actions.h
+++ b/src/modules/butterflies/butterflies_actions.h
@@ -25,6 +25,6 @@ enum action_status bf_action_generation_update(struct cats_grid *grid, struct ca
 
 enum action_status bf_action_save_eggs_grid(struct cats_grid *grid, struct cats_configuration *conf);
 
-enum action_status bf_action_save_overlay(struct cats_grid *grid, struct cats_configuration *conf)
+enum action_status bf_action_save_overlay(struct cats_grid *grid, struct cats_configuration *conf);
 
 #endif //CATS_BUTTERFLIES_ACTIONS_H