diff --git a/CMakeLists.txt b/CMakeLists.txt
index 401071518..0f0721504 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -702,8 +702,7 @@ if(NOT BUILD_HYDRA_CORE AND NOT BUILD_LIBRETRO_CORE)
         )
 
         # Translation files in Qt's .ts format. Will be converted into binary files and embedded into the executable
-        set(TRANSLATIONS_TS docs/translations/en.ts docs/translations/el.ts docs/translations/es.ts docs/translations/pt-br.ts)
-
+        set(TRANSLATIONS_TS docs/translations/en.ts docs/translations/el.ts docs/translations/es.ts docs/translations/pt_br.ts)
         set_source_files_properties(${TRANSLATIONS_TS} PROPERTIES OUTPUT_LOCATION "${CMAKE_CURRENT_BINARY_DIR}/translations")
         qt_add_translation(TRANSLATIONS_QM ${TRANSLATIONS_TS})
 
diff --git a/docs/translations/pt-br.ts b/docs/translations/pt_br.ts
similarity index 100%
rename from docs/translations/pt-br.ts
rename to docs/translations/pt_br.ts
diff --git a/src/panda_qt/translations.cpp b/src/panda_qt/translations.cpp
index 09667ced6..f6d3c410b 100644
--- a/src/panda_qt/translations.cpp
+++ b/src/panda_qt/translations.cpp
@@ -50,7 +50,7 @@ static std::array<LanguageInfo, 4> languages = {
 	LanguageInfo(QStringLiteral(u"English"), "en"),                                           // English
 	LanguageInfo(QStringLiteral(u"\u0395\u03BB\u03BB\u03B7\u03BD\u03B9\u03BA\u03AC"), "el"),  // Greek
 	LanguageInfo(QStringLiteral(u"Espa\u00F1ol"), "es"),                                      // Spanish
-	LanguageInfo(QStringLiteral(u"Portugu\u00EAs (Brasil)"), "pt-br")                                      // Portuguese ( Brazillian )
+	LanguageInfo(QStringLiteral(u"Portugu\u00EAs (Brasil)"), "pt_br")                                      // Portuguese ( Brazillian )
 };
 
 QComboBox* ConfigWindow::createLanguageSelect() {