diff --git a/src/profit.c b/src/profit.c
index 59a4de0147ba74c83905a50d405292137c5a7dc1..279daee9125fcb6a6b38aca7e93174bbdfe0dbaf 100644
--- a/src/profit.c
+++ b/src/profit.c
@@ -4511,7 +4511,7 @@ void	make_kernel(float pos, float *kernel, interpenum interptype)
     else
       {
       x = -PI/3.0*(pos+2.0);
-#ifdef HAVE_SINCOS
+#ifdef HAVE_SINCOSF
       sincosf(x, &sinx1, &cosx1);
 #else
       sinx1 = sinf(x);