diff --git a/SingleSource/Benchmarks/Misc/mandel.c b/SingleSource/Benchmarks/Misc/mandel.c
--- a/SingleSource/Benchmarks/Misc/mandel.c
+++ b/SingleSource/Benchmarks/Misc/mandel.c
@@ -11,9 +11,9 @@
 
 #define I 1.0iF
 
-#if defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__MINGW32__)
+#if defined(__MINGW32__)
 #include <complex.h>
-#elif defined(__APPLE__)
+#elif defined(__APPLE__) || defined(__FreeBSD__) || defined(__OpenBSD__)
 #include <math.h>
 #else
 #include <tgmath.h>