diff --git a/tests/libslic3r/test_amf.cpp b/tests/libslic3r/test_amf.cpp
index 10af5fe115..eea678fc4a 100644
--- a/tests/libslic3r/test_amf.cpp
+++ b/tests/libslic3r/test_amf.cpp
@@ -9,6 +9,7 @@
 
 #include <boost/nowide/fstream.hpp>
 
+#include <ios>
 #include <string>
 
 using namespace Slic3r;