diff --git a/ChangeLog.d/pr_10695__fix_build_llvm_mingw.txt b/ChangeLog.d/pr_10695__fix_build_llvm_mingw.txt
new file mode 100644
index 0000000000..3fed87143f
--- /dev/null
+++ b/ChangeLog.d/pr_10695__fix_build_llvm_mingw.txt
@@ -0,0 +1,3 @@
+Bugfix
+   * Fix a build error using the LLVM based MinGW toolchain.
+     Bug reported and fix contributed by valord577.
diff --git a/include/mbedtls/debug.h b/include/mbedtls/debug.h
index b8273bc757..8cd101cbf4 100644
--- a/include/mbedtls/debug.h
+++ b/include/mbedtls/debug.h
@@ -59,7 +59,7 @@
  */
 #if defined(__has_attribute)
 #if __has_attribute(format)
-#if defined(__MINGW32__)
+#if defined(__MINGW32__) && !defined(__clang__)
 #define MBEDTLS_PRINTF_ATTRIBUTE(string_index, first_to_check)    \
     __attribute__((__format__(gnu_printf, string_index, first_to_check)))
 #else /* defined(__MINGW32__) */