diff --git a/src/panfrost/compiler/bifrost/bi_printer.c.py b/src/panfrost/compiler/bifrost/bi_printer.c.py
index 2227d280310..64e2618041e 100644
--- a/src/panfrost/compiler/bifrost/bi_printer.c.py
+++ b/src/panfrost/compiler/bifrost/bi_printer.c.py
@@ -86,7 +86,7 @@ bi_print_index(FILE *fp, bi_index index, unsigned nr_regs)
             fprintf(fp, "%s%u", index.memory ? "m" : "r", index.value + i);
         }
     } else if (index.type == BI_INDEX_NORMAL)
-        fprintf(fp, "%s%u", index.memory ? "m" : "", index.value);
+        fprintf(fp, "%%%s%u", index.memory ? "m" : "", index.value);
     else
         UNREACHABLE("Invalid index");