1 files changed, 1 insertions, 1 deletions
diff --git a/src/printf.c b/src/printf.c
index e910650fe..457dac4b8 100644
--- a/src/printf.c
+++ b/src/printf.c
@@ -454,7 +454,7 @@ static int vxprintf(
         if( xtype==etFLOAT ) realvalue += rounder;
         /* Normalize realvalue to within 10.0 > realvalue >= 1.0 */
         exp = 0;
-        if( isnan(realvalue) ){
+        if( sqlite3_isnan(realvalue) ){
           bufpt = "NaN";
           length = 3;
           break;