diff --git a/Zend/zend.h b/Zend/zend.h
index d5dd21f53d4..c5f896ffa54 100644
--- a/Zend/zend.h
+++ b/Zend/zend.h
@@ -146,7 +146,7 @@ char *alloca ();
 # endif
 #endif
 
-#if (HAVE_ALLOCA || (defined (__GNUC__) && __GNUC__ >= 2)) && !(defined(ZTS) && defined(ZEND_WIN32)) && !(defined(ZTS) && defined(NETWARE)) && !defined(HPUX)
+#if (HAVE_ALLOCA || (defined (__GNUC__) && __GNUC__ >= 2)) && !(defined(ZTS) && defined(ZEND_WIN32)) && !(defined(ZTS) && defined(NETWARE)) && !(defined(ZTS) && defined(HPUX))
 # define do_alloca(p) alloca(p)
 # define free_alloca(p)
 #else