diff --git a/xapian-core/api/queryinternal.cc b/xapian-core/api/queryinternal.cc
index c95eee22a2c..1769e3f05e8 100644
--- a/xapian-core/api/queryinternal.cc
+++ b/xapian-core/api/queryinternal.cc
@@ -80,7 +80,9 @@ namespace Internal {
 struct CmpMaxOrTerms {
     /** Return true if and only if a has a strictly greater termweight than b. */
     bool operator()(const PostList *a, const PostList *b) {
-#if (defined(__i386__) && !defined(__SSE2_MATH__)) || defined(__mc68000__) || defined(__mc68010__) || defined(__mc68020__) || defined(__mc68030__)
+#if (defined(__i386__) && !defined(__SSE_MATH__)) || \
+    defined(__mc68000__) || defined(__mc68010__) || \
+    defined(__mc68020__) || defined(__mc68030__)
 	// On some architectures, most common of which is x86, floating point
 	// values are calculated and stored in registers with excess precision.
 	// If the two get_maxweight() calls below return identical values in a