diff --git a/src/panfrost/bifrost/bir.c b/src/panfrost/bifrost/bir.c
index 6433726c80b..06983363ae0 100644
--- a/src/panfrost/bifrost/bir.c
+++ b/src/panfrost/bifrost/bir.c
@@ -105,6 +105,8 @@ bi_count_write_registers(const bi_instr *ins, unsigned d)
                         return 4;
                 else
                         return bi_count_staging_registers(ins);
+        } else if (ins->op == BI_OPCODE_SEG_ADD_I64) {
+                return 2;
         }
 
         return 1;