diff --git a/src/lib/osinfo/libc.c b/src/lib/osinfo/libc.c
index 9206b99611..195bd528ba 100644
--- a/src/lib/osinfo/libc.c
+++ b/src/lib/osinfo/libc.c
@@ -57,6 +57,9 @@ tor_libc_get_version_str(void)
 #ifdef __FreeBSD__
   return STR(__FreeBSD_version);
 #endif
+#ifdef __NetBSD_Version__
+  return STR(__NetBSD_Version__);
+#endif
 #ifdef OpenBSD
   return STR(OpenBSD);
 #endif /* defined(__BSD_VISIBLE) */