1 files changed, 4 insertions, 4 deletions
diff --git a/src/util.c b/src/util.c
index ab409fa25..6e64242e8 100644
--- a/src/util.c
+++ b/src/util.c
@@ -17,7 +17,7 @@
 */
 #include "sqliteInt.h"
 #include <stdarg.h>
-#ifdef SQLITE_HAVE_ISNAN
+#if HAVE_ISNAN || SQLITE_HAVE_ISNAN
 # include <math.h>
 #endif
 
@@ -58,7 +58,7 @@ int sqlite3FaultSim(int iTest){
 */
 int sqlite3IsNaN(double x){
   int rc;   /* The value return */
-#if !defined(SQLITE_HAVE_ISNAN)
+#if !SQLITE_HAVE_ISNAN && !HAVE_ISNAN
   /*
   ** Systems that support the isnan() library function should probably
   ** make use of it by compiling with -DSQLITE_HAVE_ISNAN.  But we have
@@ -88,9 +88,9 @@ int sqlite3IsNaN(double x){
   volatile double y = x;
   volatile double z = y;
   rc = (y!=z);
-#else  /* if defined(SQLITE_HAVE_ISNAN) */
+#else  /* if HAVE_ISNAN */
   rc = isnan(x);
-#endif /* SQLITE_HAVE_ISNAN */
+#endif /* HAVE_ISNAN */
   testcase( rc );
   return rc;
 }