diff --git a/disassembler.c b/disassembler.c
index 0929333..5f343e1 100644
--- a/disassembler.c
+++ b/disassembler.c
@@ -389,6 +389,12 @@
                     bprintf("}");
                     break;
                 }
+                case EXCEPTIONBUFFER_EXT_OPCODE: {
+                    uint32_t buf_size = DECODE_IMM(2);
+                    print_opcode("debugbuf");
+                    bprintf("size=%d", buf_size);
+                    break;
+                }
                 default:
                     bprintf("unknown_ext %u", imm);
                     break;