diff --git a/lang/admin/th-TH.json b/lang/admin/th-th.json
similarity index 100%
rename from lang/admin/th-TH.json
rename to lang/admin/th-th.json
diff --git a/lang/admin/tr-TR.json b/lang/admin/tr-tr.json
similarity index 100%
rename from lang/admin/tr-TR.json
rename to lang/admin/tr-tr.json
diff --git a/lang/common/th-TH.json b/lang/common/th-th.json
similarity index 100%
rename from lang/common/th-TH.json
rename to lang/common/th-th.json
diff --git a/lang/common/tr-TR.json b/lang/common/tr-tr.json
similarity index 100%
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rename to lang/common/tr-tr.json
diff --git a/lang/email/th-TH.json b/lang/email/th-th.json
similarity index 100%
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rename to lang/email/th-th.json
diff --git a/lang/form/pt-PT.json b/lang/form/pt-pt.json
similarity index 100%
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rename to lang/form/pt-pt.json
diff --git a/lang/form/th-TH.json b/lang/form/th-th.json
similarity index 100%
rename from lang/form/th-TH.json
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diff --git a/lang/form/tr-TR.json b/lang/form/tr-tr.json
similarity index 100%
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diff --git a/lang/pwreset/th-TH.json b/lang/pwreset/th-th.json
similarity index 100%
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diff --git a/lang/pwreset/tr-TR.json b/lang/pwreset/tr-tr.json
similarity index 100%
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diff --git a/lang/setup/fa-IR.json b/lang/setup/fa-ir.json
similarity index 100%
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rename to lang/setup/fa-ir.json
diff --git a/lang/setup/th-TH.json b/lang/setup/th-th.json
similarity index 100%
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rename to lang/setup/th-th.json
diff --git a/lang/setup/tr-TR.json b/lang/setup/tr-tr.json
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diff --git a/lang/telegram/pt-PT.json b/lang/telegram/pt-pt.json
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rename to lang/telegram/pt-pt.json
diff --git a/lang/telegram/th-TH.json b/lang/telegram/th-th.json
similarity index 100%
rename from lang/telegram/th-TH.json
rename to lang/telegram/th-th.json