diff --git a/libs/apr/include/apr_general.h b/libs/apr/include/apr_general.h
index b8c4eec7bd..42eec83ce4 100644
--- a/libs/apr/include/apr_general.h
+++ b/libs/apr/include/apr_general.h
@@ -76,7 +76,7 @@ typedef int               apr_signum_t;
  * @return offset
  */
 
-#if defined(CRAY) || (defined(__arm) && !defined(LINUX) || defined(__FreeBSD__)))
+#if defined(CRAY) || (defined(__arm) && !(defined(LINUX) || defined(__FreeBSD__)))
 #ifdef __STDC__
 #define APR_OFFSET(p_type,field) _Offsetof(p_type,field)
 #else