diff --git a/modules/juce_opengl/native/juce_OpenGLExtensions.h b/modules/juce_opengl/native/juce_OpenGLExtensions.h
index acf5c9dcc8..e45d1f4e8f 100644
--- a/modules/juce_opengl/native/juce_OpenGLExtensions.h
+++ b/modules/juce_opengl/native/juce_OpenGLExtensions.h
@@ -64,7 +64,9 @@ namespace juce
     USE_FUNCTION (glUniform1fv,             void, (GLint p1, GLsizei p2, const GLfloat* p3), (p1, p2, p3))\
     USE_FUNCTION (glUniformMatrix2fv,       void, (GLint p1, GLsizei p2, GLboolean p3, const GLfloat* p4), (p1, p2, p3, p4))\
     USE_FUNCTION (glUniformMatrix3fv,       void, (GLint p1, GLsizei p2, GLboolean p3, const GLfloat* p4), (p1, p2, p3, p4))\
-    USE_FUNCTION (glUniformMatrix4fv,       void, (GLint p1, GLsizei p2, GLboolean p3, const GLfloat* p4), (p1, p2, p3, p4))
+    USE_FUNCTION (glUniformMatrix4fv,       void, (GLint p1, GLsizei p2, GLboolean p3, const GLfloat* p4), (p1, p2, p3, p4))\
+    USE_FUNCTION (glBindAttribLocation,     void, (GLuint p1, GLuint p2, const GLchar* p3), (p1, p2, p3))\
+    USE_FUNCTION (glDrawBuffers,            void, (GLsizei p1, const GLenum* p2), (p1, p2))
 
 /** @internal This macro contains a list of GL extension functions that need to be dynamically loaded on Windows/Linux.
     @see OpenGLExtensionFunctions