diff --git a/src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp b/src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp
index 385cb024e66..3b85151939d 100644
--- a/src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp
+++ b/src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp
@@ -1502,6 +1502,9 @@ ConstantFolding::opnd(Instruction *i, ImmediateValue &imm0, int s)
 
          bld.setPosition(i, false);
          i->op = OP_MUL;
+         i->subOp = 0;
+         i->dType = si->dType;
+         i->sType = si->sType;
          i->setSrc(0, si->getSrc(!muls));
          i->setSrc(1, bld.loadImm(NULL, imm1.reg.data.u32 << imm0.reg.data.u32));
          break;