diff --git a/src/libGLESv2/libGLESv2.cpp b/src/libGLESv2/libGLESv2.cpp
index d3682e6..f1c8efc 100644
--- a/src/libGLESv2/libGLESv2.cpp
+++ b/src/libGLESv2/libGLESv2.cpp
@@ -727,18 +727,31 @@
             return gl::error(GL_INVALID_VALUE);
         }
 
+        gl::Context *context = gl::getNonLostContext();
+
         switch (usage)
         {
           case GL_STREAM_DRAW:
           case GL_STATIC_DRAW:
           case GL_DYNAMIC_DRAW:
             break;
+
+          case GL_STREAM_READ:
+          case GL_STREAM_COPY:
+          case GL_STATIC_READ:
+          case GL_STATIC_COPY:
+          case GL_DYNAMIC_READ:
+          case GL_DYNAMIC_COPY:
+            if (context && context->getClientVersion() < 3)
+            {
+              return gl::error(GL_INVALID_ENUM);
+            }
+            break;
+
           default:
             return gl::error(GL_INVALID_ENUM);
         }
 
-        gl::Context *context = gl::getNonLostContext();
-
         if (context)
         {
             gl::Buffer *buffer;