diff --git a/src/asahi/compiler/agx_optimizer.c b/src/asahi/compiler/agx_optimizer.c
index 3ab4a336769..62682e2760d 100644
--- a/src/asahi/compiler/agx_optimizer.c
+++ b/src/asahi/compiler/agx_optimizer.c
@@ -562,7 +562,7 @@ agx_optimizer_forward(agx_context *ctx)
          agx_optimizer_ballot(ctx, defs, I);
       } else if (I->op == AGX_OPCODE_BITOP) {
          agx_optimizer_bitop(defs, I);
-      } else if (I->op == AGX_OPCODE_IADD) {
+      } else if (I->op == AGX_OPCODE_IADD || I->op == AGX_OPCODE_IMAD) {
          agx_optimizer_signext(defs, I);
       }
    }