diff --git a/src/gui/GLTexture.cc b/src/gui/GLTexture.cc
index 0af5466..c471024 100644
--- a/src/gui/GLTexture.cc
+++ b/src/gui/GLTexture.cc
@@ -1,5 +1,6 @@
 #include "GLTexture.h"
 #include <iostream>
+#include <string.h>
 
 using namespace std;