diff --git a/scripts/pg_config_overrides.h b/scripts/pg_config_overrides.h
index be33bcba..f5d09ed5 100644
--- a/scripts/pg_config_overrides.h
+++ b/scripts/pg_config_overrides.h
@@ -96,9 +96,14 @@
 #undef USE_SYSV_SHARED_MEMORY
 #define USE_WIN32_SEMAPHORES 1
 #define USE_WIN32_SHARED_MEMORY 1
+#if defined(__clang__)
+#define PG_PRINTF_ATTRIBUTE printf
+#elif defined(__MINGW32__) || defined(__MINGW64__) || defined(__MSYS__) || defined(__CYGWIN__)
+#define PG_PRINTF_ATTRIBUTE gnu_printf
+#else
 #undef PG_PRINTF_ATTRIBUTE
+#endif
 #if defined(__MINGW32__) || defined(__MINGW64__) || defined(__MSYS__) || defined(__CYGWIN__)
-#define PG_PRINTF_ATTRIBUTE gnu_printf
 #undef HAVE_MBSTOWCS_L
 #undef HAVE_WCSTOMBS_L
 #define HAVE_CRTDEFS_H 1
diff --git a/src/postgres/include/pg_config.h b/src/postgres/include/pg_config.h
index e44578b1..66e2d4a3 100644
--- a/src/postgres/include/pg_config.h
+++ b/src/postgres/include/pg_config.h
@@ -924,9 +924,14 @@
 #undef USE_SYSV_SHARED_MEMORY
 #define USE_WIN32_SEMAPHORES 1
 #define USE_WIN32_SHARED_MEMORY 1
+#if defined(__clang__)
+#define PG_PRINTF_ATTRIBUTE printf
+#elif defined(__MINGW32__) || defined(__MINGW64__) || defined(__MSYS__) || defined(__CYGWIN__)
+#define PG_PRINTF_ATTRIBUTE gnu_printf
+#else
 #undef PG_PRINTF_ATTRIBUTE
+#endif
 #if defined(__MINGW32__) || defined(__MINGW64__) || defined(__MSYS__) || defined(__CYGWIN__)
-#define PG_PRINTF_ATTRIBUTE gnu_printf
 #undef HAVE_MBSTOWCS_L
 #undef HAVE_WCSTOMBS_L
 #define HAVE_CRTDEFS_H 1