diff --git a/modules/multiresvolume/rendering/atlasmanager.cpp b/modules/multiresvolume/rendering/atlasmanager.cpp
index df4a2810e6..e9d6c27f66 100644
--- a/modules/multiresvolume/rendering/atlasmanager.cpp
+++ b/modules/multiresvolume/rendering/atlasmanager.cpp
@@ -28,6 +28,7 @@
 #include <ghoul/filesystem/filesystem.h>
 #include <ghoul/logging/logmanager.h>
 #include <ghoul/opengl/texture.h>
+#include <cstring>
 #include <iostream>
 #include <fstream>