diff --git a/GL/framebuffer.c b/GL/framebuffer.c
index 3121784..a7e6532 100644
--- a/GL/framebuffer.c
+++ b/GL/framebuffer.c
@@ -254,7 +254,7 @@ GLboolean _glGenerateMipmapTwiddled(const GLuint pvrFormat, const GLubyte* prevD
     return GL_TRUE;
 }
 
-void APIENTRY glGenerateMipmapEXT(GLenum target) {
+void APIENTRY glGenerateMipmap(GLenum target) {
     if(target != GL_TEXTURE_2D) {
         _glKosThrowError(GL_INVALID_OPERATION, __func__);
         return;
@@ -334,7 +334,7 @@ GLAPI GLvoid APIENTRY gluBuild2DMipmaps(GLenum target, GLint internalFormat,
 	 unsigned byte data, and finally the data itself. */
     glTexImage2D(GL_TEXTURE_2D, 0, 3, width, height, 0, GL_RGB, GL_UNSIGNED_BYTE, data);
 
-    glGenerateMipmapEXT(GL_TEXTURE_2D);
+    glGenerateMipmap(GL_TEXTURE_2D);
 }
 
 GLenum APIENTRY glCheckFramebufferStatusEXT(GLenum target) {
diff --git a/include/GL/glext.h b/include/GL/glext.h
index dacaea6..acd7763 100644
--- a/include/GL/glext.h
+++ b/include/GL/glext.h
@@ -130,7 +130,7 @@ GLAPI void APIENTRY glGenFramebuffersEXT(GLsizei n, GLuint* framebuffers);
 GLAPI void APIENTRY glDeleteFramebuffersEXT(GLsizei n, const GLuint* framebuffers);
 GLAPI void APIENTRY glBindFramebufferEXT(GLenum target, GLuint framebuffer);
 GLAPI void APIENTRY glFramebufferTexture2DEXT(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level);
-GLAPI void APIENTRY glGenerateMipmapEXT(GLenum target);
+GLAPI void APIENTRY glGenerateMipmap(GLenum target);
 GLAPI GLenum APIENTRY glCheckFramebufferStatusEXT(GLenum target);
 GLAPI GLboolean APIENTRY glIsFramebufferEXT(GLuint framebuffer);
 
@@ -203,7 +203,7 @@ GLAPI void APIENTRY glCompressedTexImage2DARB(GLenum target,
 #define glClientActiveTexture glClientActiveTextureARB
 #define glMultiTexCoord2f glMultiTexCoord2fARB
 
-#define glGenerateMipmap glGenerateMipmapEXT
+#define glGenerateMipmapEXT glGenerateMipmap
 #define glCompressedTexImage2D glCompressedTexImage2DARB
 
 #ifndef GL_VERSION_1_4