diff --git a/src/compat/compat.c b/src/compat/compat.c
index 1e5906a60..8df7086d9 100644
--- a/src/compat/compat.c
+++ b/src/compat/compat.c
@@ -3,6 +3,7 @@
 #include <time.h>
 #include <stdint.h>
 #include "compat/compat.h"
+#if !defined(__DragonFly_version) || __DragonFly_version < 500907
 // clock_nanosleep is unavailable on DragonFly BSD and Mac OS X
 int clock_nanosleep(clockid_t clockid, int flags, const struct timespec *request,
                     struct timespec *remain){
@@ -28,3 +29,4 @@ int clock_nanosleep(clockid_t clockid, int flags, const struct timespec *request
 }
 #endif
 #endif
+#endif