1 files changed, 3 insertions, 1 deletions
diff --git a/test/bench/fasta.c b/test/bench/fasta.c
index 78a8490d7..64c1c5205 100644
--- a/test/bench/fasta.c
+++ b/test/bench/fasta.c
@@ -41,10 +41,12 @@ POSSIBILITY OF SUCH DAMAGE.
 #include <stdlib.h>
 #include <string.h>
 
+#ifndef fwrite_unlocked
 // not available on OS X 
 #define fwrite_unlocked fwrite
 #define fputc_unlocked fputc
 #define fputs_unlocked fputs
+#endif
 
 #define ARRAY_SIZE(a) (sizeof(a)/sizeof(a[0]))
 #define unlikely(x) __builtin_expect((x), 0)
@@ -214,4 +216,4 @@ main(int argc, const char **argv) {
             ">THREE Homo sapiens frequency\n", n*5, &rand);
 
     return 0;
-}
-\ No newline at end of file
+}