diff --git a/GL/glx/indirect_dispatch.h b/GL/glx/indirect_dispatch.h
index 07bc97bce..e2c0c4145 100644
--- a/GL/glx/indirect_dispatch.h
+++ b/GL/glx/indirect_dispatch.h
@@ -345,6 +345,8 @@ extern HIDDEN int __glXDisp_CreateContextWithConfigSGIX(struct __GLXclientStateR
 extern HIDDEN int __glXDispSwap_CreateContextWithConfigSGIX(struct __GLXclientStateRec *, GLbyte *);
 extern HIDDEN void __glXDisp_FramebufferTexture3DEXT(GLbyte * pc);
 extern HIDDEN void __glXDispSwap_FramebufferTexture3DEXT(GLbyte * pc);
+extern HIDDEN int __glXDisp_CopySubBufferMESA(struct __GLXclientStateRec *, GLbyte *);
+extern HIDDEN int __glXDispSwap_CopySubBufferMESA(struct __GLXclientStateRec *, GLbyte *);
 extern HIDDEN void __glXDisp_BlendEquation(GLbyte * pc);
 extern HIDDEN void __glXDispSwap_BlendEquation(GLbyte * pc);
 extern HIDDEN int __glXDisp_GetError(struct __GLXclientStateRec *, GLbyte *);
diff --git a/GL/glx/indirect_table.c b/GL/glx/indirect_table.c
index da5fb6b56..2c88589ac 100644
--- a/GL/glx/indirect_table.c
+++ b/GL/glx/indirect_table.c
@@ -483,7 +483,7 @@ static const __GLXdispatchVendorPrivProcPtr VendorPriv_function_table[72][2] = {
     /* [ 55] =  1431 */ {NULL, NULL},
     /* [ 56] =  5152 */ {__glXDisp_BindTexImageEXT, __glXDispSwap_BindTexImageEXT},
     /* [ 57] =  5153 */ {__glXDisp_ReleaseTexImageEXT, __glXDispSwap_ReleaseTexImageEXT},
-    /* [ 58] =  5154 */ {NULL, NULL},
+    /* [ 58] =  5154 */ {__glXDisp_CopySubBufferMESA, __glXDispSwap_CopySubBufferMESA},
     /* [ 59] =  5155 */ {NULL, NULL},
     /* [ 60] =  5156 */ {NULL, NULL},
     /* [ 61] =  5157 */ {NULL, NULL},