diff --git a/libopenfpga/libpcf/src/base/io_location_map.h b/libopenfpga/libpcf/src/base/io_location_map.h
index e14700515..eafaef5d6 100644
--- a/libopenfpga/libpcf/src/base/io_location_map.h
+++ b/libopenfpga/libpcf/src/base/io_location_map.h
@@ -8,6 +8,7 @@
 #include <vector>
 #include <string>
 #include <map>
+#include <array>
 #include "openfpga_port.h"
 
 /* Begin namespace openfpga */
diff --git a/libopenfpga/libpcf/src/base/io_net_place.h b/libopenfpga/libpcf/src/base/io_net_place.h
index e99e3775d..6a841ec3e 100644
--- a/libopenfpga/libpcf/src/base/io_net_place.h
+++ b/libopenfpga/libpcf/src/base/io_net_place.h
@@ -8,6 +8,7 @@
 #include <vector>
 #include <string>
 #include <map>
+#include <array>
 
 /* Begin namespace openfpga */
 namespace openfpga {