diff --git a/src/main/resources/assets/minelittlepony/lang/en_US.lang b/src/main/resources/assets/minelittlepony/lang/en_us.lang
similarity index 100%
rename from src/main/resources/assets/minelittlepony/lang/en_US.lang
rename to src/main/resources/assets/minelittlepony/lang/en_us.lang
diff --git a/src/main/resources/assets/minelittlepony/lang/fr_FR.lang b/src/main/resources/assets/minelittlepony/lang/fr_fr.lang
similarity index 100%
rename from src/main/resources/assets/minelittlepony/lang/fr_FR.lang
rename to src/main/resources/assets/minelittlepony/lang/fr_fr.lang
diff --git a/src/main/resources/assets/minelittlepony/lang/ru_RU.lang b/src/main/resources/assets/minelittlepony/lang/ru_ru.lang
similarity index 100%
rename from src/main/resources/assets/minelittlepony/lang/ru_RU.lang
rename to src/main/resources/assets/minelittlepony/lang/ru_ru.lang