diff --git a/databases/iowow/files/patch-src_platform_unix_unix.c b/databases/iowow/files/patch-src_platform_unix_unix.c
index 62529cbc5fe4..6910201ce373 100644
--- a/databases/iowow/files/patch-src_platform_unix_unix.c
+++ b/databases/iowow/files/patch-src_platform_unix_unix.c
@@ -1,11 +1,22 @@
---- src/platform/unix/unix.c.orig	2018-05-19 14:09:04 UTC
+--- src/platform/unix/unix.c.orig	2021-09-03 09:03:05 UTC
 +++ src/platform/unix/unix.c
-@@ -314,7 +314,7 @@ iwrc iwp_fdatasync(HANDLE fh) {
+@@ -355,7 +355,7 @@ iwrc iwp_fdatasync(HANDLE fh) {
    if (fcntl(fh, F_FULLFSYNC) == -1) {
      return iwrc_set_errno(IW_ERROR_IO_ERRNO, errno);
    }
 -#else
 +#elif defined(__FreeBSD_version) && __FreeBSD_version > 1100501
    if (fdatasync(fh) == -1) {
      return iwrc_set_errno(IW_ERROR_IO_ERRNO, errno);
-   }  
+   }
+@@ -384,6 +384,10 @@ void iwp_set_current_thread_name(const char *name) {
+ 
+ #if defined(__linux__)
+   prctl(PR_SET_NAME, name);
++#elif defined(__FreeBSD__)
++  // We're using even more non-standard pthread_set_name_np() here
++  // because pthread_setname_np() is not available on FreeBSD 11.X.
++  pthread_set_name_np(pthread_self(), name);
+ #elif defined(__NetBSD__)
+   rv = pthread_setname_np(pthread_self(), "%s", (void*) name);
+ #elif defined(__APPLE__)