diff --git a/src/LASlib/lasfilter.cpp b/src/LASlib/lasfilter.cpp
index a976177..b4c45cf 100644
--- a/src/LASlib/lasfilter.cpp
+++ b/src/LASlib/lasfilter.cpp
@@ -34,6 +34,7 @@
 #include <stdlib.h>
 #include <string.h>
 
+#include <array>
 #include <map>
 #include <set>
 #include <unordered_set>