diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 885feec..b3ba5f9 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -33,7 +33,7 @@ env:
 jobs:
   build_windows:
     name: Windows
-    runs-on: windows-2025
+    runs-on: windows-2022
     strategy:
       fail-fast: false
     env:
diff --git a/src/rsgain.cpp b/src/rsgain.cpp
index 853010d..1454d45 100644
--- a/src/rsgain.cpp
+++ b/src/rsgain.cpp
@@ -349,7 +349,12 @@ int main(int argc, char *argv[]) {
         { "version", no_argument, nullptr, 'v' },
         { 0, 0, 0, 0 }
     };
+#ifndef _WIN32
+    // On Windows, the CRT's numpunct facet crashes when accessed for locales that use
+    // non-ASCII thousands separators (e.g. French NARROW NO-BREAK SPACE U+202F), which
+    // is triggered by the {:L} format specifiers used for locale-aware number output.
     try { std::locale::global(std::locale("")); } catch(...) {}
+#endif
     av_log_set_callback(nullptr);
 
 #ifdef _WIN32