diff --git a/xs/Build.PL b/xs/Build.PL
index 7fa9c1b1af..9cbd79f252 100644
--- a/xs/Build.PL
+++ b/xs/Build.PL
@@ -118,7 +118,7 @@ if (defined $ENV{BOOST_LIBRARYDIR}) {
 
 # In order to generate the -l switches we need to know how Boost libraries are named
 my $have_boost = 0;
-my @boost_libraries = qw(system thread log);  # we need these
+my @boost_libraries = qw(system thread filesystem log);  # we need these
 
 if (!$ENV{SLIC3R_STATIC}) {
     # Dynamic linking of boost libraries.