diff --git a/third-party/cmake/GNUInstallDirs.cmake b/third-party/cmake/GNUInstallDirs.cmake
index afdd3f1fe..60e90994a 100644
--- a/third-party/cmake/GNUInstallDirs.cmake
+++ b/third-party/cmake/GNUInstallDirs.cmake
@@ -166,7 +166,7 @@ if(NOT CMAKE_INSTALL_DATADIR)
   set(CMAKE_INSTALL_DATADIR "${CMAKE_INSTALL_DATAROOTDIR}")
 endif()
 
-if(CMAKE_SYSTEM_NAME MATCHES "(DragonFly|FreeBSD|OpenBSD)")
+if(CMAKE_SYSTEM_NAME MATCHES "(DragonFly|FreeBSD|OpenBSD|NetBSD)")
   if(NOT CMAKE_INSTALL_INFODIR)
     set(CMAKE_INSTALL_INFODIR "" CACHE PATH "info documentation (info)")
     set(CMAKE_INSTALL_INFODIR "info")