diff --git a/include/curl/system.h b/include/curl/system.h
index 95c72d998..eabb6dfa8 100644
--- a/include/curl/system.h
+++ b/include/curl/system.h
@@ -425,10 +425,12 @@
 /* ===================================== */
 
 #elif defined(__GNUC__)
-#  if !defined(__LP64__) && (defined(__ILP32__) || \
-      defined(__i386__) || defined(__powerpc__) || defined(__arm__) || \
-      defined(__sparc__) || defined(__mips__) || defined(__sh__) || \
-      defined(__XTENSA__) || (defined(__SIZEOF_LONG__) && __SIZEOF_LONG__ == 4))
+#  if !defined(__LP64__) &&                                             \
+  (defined(__ILP32__) ||                                                \
+   defined(__i386__) || defined(__powerpc__) || defined(__arm__) ||     \
+   defined(__sparc__) || defined(__mips__) || defined(__sh__) ||        \
+   defined(__XTENSA__) ||                                               \
+   (defined(__SIZEOF_LONG__) && __SIZEOF_LONG__ == 4))
 #    define CURL_SIZEOF_LONG           4
 #    define CURL_TYPEOF_CURL_OFF_T     long long
 #    define CURL_FORMAT_CURL_OFF_T     "lld"