diff --git a/ChangeLog.d/fix-mingw-build.txt b/ChangeLog.d/fix-mingw-build.txt
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+++ b/ChangeLog.d/fix-mingw-build.txt
@@ -0,0 +1,4 @@
+Changes
+   * fix build failure on MinGW toolchain when __USE_MING_ANSI_STDIO is on.
+     When that flag is on, standard GNU C printf format specifiers should be used.
+