diff --git a/OpenGL.cpp b/OpenGL.cpp
index a61e24a5..b714bfcf 100644
--- a/OpenGL.cpp
+++ b/OpenGL.cpp
@@ -24,6 +24,8 @@
 #include "Config.h"
 #include "Log.h"
 
+using namespace std;
+
 bool checkFBO() {
 	GLenum e = glCheckFramebufferStatus(GL_FRAMEBUFFER);
 	switch (e) {
diff --git a/VI.cpp b/VI.cpp
index 7c48f134..57be969a 100644
--- a/VI.cpp
+++ b/VI.cpp
@@ -12,6 +12,8 @@
 #include "Config.h"
 #include "Debug.h"
 
+using namespace std;
+
 VIInfo VI;
 
 void VI_UpdateSize()