diff --git a/compat/va_copy.h b/compat/va_copy.h
index f894771949..3cb5ebee33 100644
--- a/compat/va_copy.h
+++ b/compat/va_copy.h
@@ -24,3 +24,6 @@
 #if !defined(va_copy) && defined(_MSC_VER)
 #define va_copy(dst, src) ((dst) = (src))
 #endif
+#if !defined(va_copy) && defined(__GNUC__) && __GNUC__ < 3
+#define va_copy(dst, src) __va_copy(dst, src)
+#endif