diff --git a/src/message.c b/src/message.c
index aebf01b..8f0a9c6 100644
--- a/src/message.c
+++ b/src/message.c
@@ -4175,15 +4175,16 @@
 			str_arg_l = 0;
 		    else
 		    {
+			/* Don't put the #if inside memchr(), it can be a
+			 * macro. */
+#if SIZEOF_INT <= 2
+			char *q = memchr(str_arg, '\0', precision);
+#else
 			/* memchr on HP does not like n > 2^31  !!! */
 			char *q = memchr(str_arg, '\0',
-#if SIZEOF_INT <= 2
-				precision
-#else
-				precision <= (size_t)0x7fffffffL ? precision
-						       : (size_t)0x7fffffffL
+				  precision <= (size_t)0x7fffffffL ? precision
+						       : (size_t)0x7fffffffL);
 #endif
-						       );
 			str_arg_l = (q == NULL) ? precision : q - str_arg;
 		    }
 		    break;