diff --git a/ark/arkutils.cpp b/ark/arkutils.cpp
index 24411e8..72545f5 100644
--- a/ark/arkutils.cpp
+++ b/ark/arkutils.cpp
@@ -48,11 +48,11 @@
 #endif
 
 // for statfs:
-#ifdef BSD4_4
+#if defined(BSD4_4) && !defined(__NetBSD__)
 #include <sys/mount.h>
 #elif defined(__linux__)
 #include <sys/vfs.h>
-#elif defined(__sun)
+#elif defined(__sun) || defined(__NetBSD__)
 #include <sys/statvfs.h>
 #define STATFS statvfs
 #elif defined(_AIX)