diff --git a/qt/CMakeLists.txt b/qt/CMakeLists.txt
index 292e4ae4a..85b145f20 100644
--- a/qt/CMakeLists.txt
+++ b/qt/CMakeLists.txt
@@ -145,7 +145,7 @@ set(${PROJECT_NAME}_LINGUAS
     ko
     lt
     nl
-    pl_PL
+    pl
     pt_BR
     ru
     sv
diff --git a/qt/qtr.pro b/qt/qtr.pro
index 66ac732b7..ab77569eb 100644
--- a/qt/qtr.pro
+++ b/qt/qtr.pro
@@ -54,7 +54,7 @@ TRANSLATIONS += translations/transmission_de.ts \
                 translations/transmission_ko.ts \
                 translations/transmission_lt.ts \
                 translations/transmission_nl.ts \
-                translations/transmission_pl_PL.ts \
+                translations/transmission_pl.ts \
                 translations/transmission_pt_BR.ts \
                 translations/transmission_ru.ts \
                 translations/transmission_sv.ts \
diff --git a/qt/translations/transmission_pl_PL.ts b/qt/translations/transmission_pl.ts
similarity index 99%
rename from qt/translations/transmission_pl_PL.ts
rename to qt/translations/transmission_pl.ts
index 8ba58adb7..9de898283 100644
--- a/qt/translations/transmission_pl_PL.ts
+++ b/qt/translations/transmission_pl.ts
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!DOCTYPE TS>
-<TS version="2.0" language="pl_PL">
+<TS version="2.0" language="pl">
 <defaultcodec>UTF-8</defaultcodec>
 <context>
     <name>AboutDialog</name>