diff --git a/scripts/pg_config_overrides.h b/scripts/pg_config_overrides.h
index c412ba43..be33bcba 100644
--- a/scripts/pg_config_overrides.h
+++ b/scripts/pg_config_overrides.h
@@ -97,7 +97,7 @@
 #define USE_WIN32_SEMAPHORES 1
 #define USE_WIN32_SHARED_MEMORY 1
 #undef PG_PRINTF_ATTRIBUTE
-#if defined(__MINGW32__) || defined(__MINGW64__)
+#if defined(__MINGW32__) || defined(__MINGW64__) || defined(__MSYS__) || defined(__CYGWIN__)
 #define PG_PRINTF_ATTRIBUTE gnu_printf
 #undef HAVE_MBSTOWCS_L
 #undef HAVE_WCSTOMBS_L
diff --git a/src/postgres/include/pg_config.h b/src/postgres/include/pg_config.h
index 7b6303db..e44578b1 100644
--- a/src/postgres/include/pg_config.h
+++ b/src/postgres/include/pg_config.h
@@ -925,7 +925,7 @@
 #define USE_WIN32_SEMAPHORES 1
 #define USE_WIN32_SHARED_MEMORY 1
 #undef PG_PRINTF_ATTRIBUTE
-#if defined(__MINGW32__) || defined(__MINGW64__)
+#if defined(__MINGW32__) || defined(__MINGW64__) || defined(__MSYS__) || defined(__CYGWIN__)
 #define PG_PRINTF_ATTRIBUTE gnu_printf
 #undef HAVE_MBSTOWCS_L
 #undef HAVE_WCSTOMBS_L